O. Reg. 16/14: VEHICLE WEIGHTS AND DIMENSIONS - FOR SAFE, PRODUCTIVE AND INFRASTRUCTURE-FRIENDLY VEHICLES, Filed January 31, 2014 under Highway Traffic Act, R.S.O. 1990, c. H.8
ONTARIO REGULATION 16/14
made under the
HIGHWAY TRAFFIC ACT
Made: January 29, 2014 
  Filed: January 31, 2014 
  Published on e-Laws: January 31, 2014 
  Printed in The Ontario Gazette: February 15, 2014 
 
Amending O. Reg. 413/05
(VEHICLE WEIGHTS AND DIMENSIONS — FOR SAFE, PRODUCTIVE AND INFRASTRUCTURE-FRIENDLY VEHICLES)
1. Subsection 2 (2) of Ontario Regulation 413/05 is amended by adding the following definitions:
“tank full trailer” means a full trailer that is permanently attached to a closed tank having a capacity of 2.3 kilolitres or more;
“tank pony trailer” means a pony trailer that is permanently attached to a closed tank having a capacity of 2.3 kilolitres or more;
2. Clauses 34 (2) (b), (c) and (d) of the Regulation are revoked and the following substituted:
(b) in the case of a tank full trailer or a tank pony trailer, for longer than 20 years after the year of its manufacture;
(b.1) in the case of a tank semi-trailer, for longer than 25 years after the year of its manufacture;
(c) in the case of a semi-trailer, other than a tank semi-trailer, with four or more axles, for longer than 20 years after the year of its manufacture;
(d) in the case of a semi-trailer, other than a tank semi-trailer, that forms part of a tractor-trailer combination with two trailers, for longer than 20 years after the year of its manufacture;
3. Subsection 37 (2) of the Regulation is amended by adding the following definition:
“na” means not applicable;
4. The Dimensional Limit Chart in Schedule 1 to the Regulation is revoked and the following substituted:
DIMENSIONAL LIMIT CHART
| Vehicle | Ref. | Feature | Dimensional Limit | 
| Overall | (1) | Overall Length | Max. 23.0m | 
| Overall | (2) | Width | Max. 2.6m | 
| Overall | (3) | Height | Max. 4.15m | 
| Tractor | (4) | Inter-axle Spacing | Min. 3.0m | 
| Tractor | (5) | Tandem Axle Spread | 1.2 to 1.85m | 
| Tractor | (6) | Wheelbase | Max. 7.2m if tractor built after 2005 | 
| Tractor | (6) | Wheelbase — (long combination) | Max. 7.2m | 
| Semi-Trailer | (8) | Length | Max. 16.2m | 
| Semi-Trailer | (9) | End-Dump Semi-Trailer Bed Length | Max. 14.65m | 
| Semi-Trailer | (10) | Swing Radius | Max. 2.0m | 
| Semi-Trailer | (11) | Wheelbase — If tractor wheelbase is 6.2m or less | 6.25m to 12.50m | 
| Semi-Trailer | (11) | Wheelbase — If tractor wheelbase is >6.2m to 6.3m | 6.25m to 12.47m | 
| Semi-Trailer | (11) | Wheelbase — If tractor wheelbase is >6.3m to 6.4m | 6.25m to 12.40m | 
| Semi-Trailer | (11) | Wheelbase — If tractor wheelbase is >6.4m to 6.5m | 6.25m to 12.33m | 
| Semi-Trailer | (11) | Wheelbase — If tractor wheelbase is >6.5m to 6.6m | 6.25m to 12.27m | 
| Semi-Trailer | (11) | Wheelbase — If tractor wheelbase is >6.6m to 6.7m | 6.25m to 12.20m | 
| Semi-Trailer | (11) | Wheelbase — If tractor wheelbase is >6.7m to 6.8m | 6.25m to 12.13m | 
| Semi-Trailer | (11) | Wheelbase — If tractor wheelbase is >6.8m to 6.9m | 6.25m to 12.07m | 
| Semi-Trailer | (11) | Wheelbase — If tractor wheelbase is >6.9m to 7.0m | 6.25m to 12.00m | 
| Semi-Trailer | (11) | Wheelbase — If tractor wheelbase is >7.0m to 7.1m | 6.25m to 11.93m | 
| Semi-Trailer | (11) | Wheelbase — If tractor wheelbase is >7.1m to 7.2m | 6.25m to 11.87m | 
| Semi-Trailer | (12) | Effective Rear Overhang | Max. 35% of wheelbase | 
| Semi-Trailer | (13) | Inter-vehicle-unit Distance — single to single, tandem or tridem | Min. 3.0m | 
| Semi-Trailer | (13) | Inter-vehicle-unit Distance — tandem to tandem | Min. 5.0m | 
| Semi-Trailer | (13) | Inter-vehicle-unit Distance — tandem to tridem | Min. 5.5m | 
| Semi-Trailer | (16) | Tandem Spread | 1.2 to 3.1m | 
| Semi-Trailer | (16) | Tridem Spread | 2.4 to 3.7m | 
| Semi-Trailer | (19) | Track Width — trailer with single tires built before 2010 | 2.3 to 2.6m | 
| Semi-Trailer | (19) | Track Width — trailer with single tires built after 2009 | 2.45 to 2.6m | 
| Semi-Trailer | (19) | Track Width — all other trailers | 2.5 to 2.6m | 
5. The Dimensional Limit Chart in Schedule 2 to the Regulation is revoked and the following substituted:
DIMENSIONAL LIMIT CHART
| Vehicle | Ref. | Feature | Dimensional Limit | 
| Overall | (1) | Overall Length | Max. 23.0m | 
| Overall | (2) | Width | Max. 2.6m | 
| Overall | (3) | Height | Max. 4.15m | 
| Tractor | (4) | Inter-axle Spacing | Min. 3.0 m | 
| Tractor | (5) | Tandem Axle Spread | 1.2 to 1.85m | 
| Tractor | (6) | Wheelbase | Max. 6.2m if tractor built after 2005 | 
| Tractor | (6) | Wheelbase — (long combination) | Max. 6.2m | 
| Semi-Trailer | (8) | Length | Max. 16.2m | 
| Semi-Trailer | (9) | End-Dump Semi-Trailer Bed Length | Max. 14.65m | 
| Semi-Trailer | (10) | Swing Radius | Max. 2.0m | 
| Semi-Trailer | (11) | Wheelbase | 6.25 to 12.5m | 
| Semi-Trailer | (12) | Effective Rear Overhang | Max. 35% of wheelbase | 
| Semi-Trailer | (13) | Inter-vehicle-unit Distance | Min. 4.0m if trailer built after 2005 | 
| Semi-Trailer | (15) | Inter-axle Spacing | > 2.5 to 3.0m | 
| Semi-Trailer | (16) | Tandem Spread | 1.2 to 2.8m | 
| Semi-Trailer | (19) | Track Width — tandem — trailer with single tires built before 2010 | 2.3 to 2.6m | 
| Semi-Trailer | (19) | Track Width — tandem — trailer with single tires built after 2009 | 2.45 to 2.6m | 
| Semi-Trailer | (19) | Track Width —tandem — all other trailers | 2.5 to 2.6m | 
6. The Dimensional Limit Chart in Schedule 3 to the Regulation is revoked and the following substituted:
DIMENSIONAL LIMIT CHART
| Vehicle | Ref. | Feature | Dimensional Limit | 
| Overall | (1) | Overall Length | Max. 23.0m | 
| Overall | (2) | Width | Max. 2.6m | 
| Overall | (3) | Height | Max. 4.15m | 
| Tractor | (4) | Inter-axle Spacing | Min. 3.0m | 
| Tractor | (5) | Tandem Axle Spread | 1.2 to 1.85m | 
| Tractor | (6) | Wheelbase | Max. 6.2m if tractor built after 2005 | 
| Tractor | (6) | Wheelbase — (long combination) | Max. 6.2m | 
| Semi-Trailer | (8) | Length | Max. 16.2m | 
| Semi-Trailer | (9) | End-Dump Semi-Trailer Bed Length | Max. 14.65m | 
| Semi-Trailer | (10) | Swing Radius | Max. 2.0m | 
| Semi-Trailer | (11) | Wheelbase | 6.25 to 12.5m | 
| Semi-Trailer | (12) | Effective Rear Overhang | Max. 35% of wheelbase | 
| Semi-Trailer | (13) | Inter-vehicle-unit Distance — if tridem spread is 3.0 < 3.6m | Min. 6.0m | 
| Semi-Trailer | (13) | Inter-vehicle-unit Distance — if tridem spread is 3.6 to 3.7m | Min. 5.5m | 
| Semi-Trailer | (15) | Inter-axle Spacing | > 2.5 to 3.0m | 
| Semi-Trailer | (16) | Tridem Spread | 3.0 to 3.7m | 
| Semi-Trailer | (19) | Track Width — tridem — trailer with single tires built before 2010 | 2.3 to 2.6m | 
| Semi-Trailer | (19) | Track Width — tridem — trailer with single tires built after 2009 | 2.45 to 2.6m | 
| Semi-Trailer | (19) | Track Width — tridem — all other trailers | 2.5 to 2.6m | 
7. The Dimensional Limit Chart in Schedule 4 to the Regulation is revoked and the following substituted:
DIMENSIONAL LIMIT CHART
| Vehicle | Ref. | Feature | Dimensional Limit | 
| Overall | (1) | Overall Length | Max. 23.0m | 
| Overall | (2) | Width | Max. 2.6m | 
| Overall | (3) | Height | Max. 4.15m | 
| Tractor | (4) | Inter-axle Spacing | Min. 3.0m | 
| Tractor | (5) | Tandem Axle Spread | 1.3 to 1.85m | 
| Tractor | (6) | Wheelbase | Max. 6.2m if tractor built after 2005 | 
| Tractor | (6) | Wheelbase — (long combination) | Max. 6.2m | 
| Semi-Trailer | (8) | Length | Max. 16.2m | 
| Semi-Trailer | (9) | End-Dump Semi-Trailer Bed Length | Max. 14.65m | 
| Semi-Trailer | (10) | Swing Radius | Max. 2.0m | 
| Semi-Trailer | (11) | Wheelbase | Min. 9.5m | 
| Semi-Trailer | (12) | Effective Rear Overhang | Max. Lesser of 53% of wheelbase or 5.1m | 
| Semi-Trailer | (13) | Inter-vehicle-unit Distance | Min. 3.0m | 
| Semi-Trailer | (15) | Inter-axle Spacing | 3.0 to 4.0m | 
| Semi-Trailer | (16) | Tridem Spread | 3.0 to 3.1m | 
| Semi-Trailer | (17) | Inter-axle Spacing | 2.1 to 2.8m | 
| Semi-Trailer | (19) | Track Width — tridem axle — trailer with single tires built before 2010 | 2.3 to 2.6m | 
| Semi-Trailer | (19) | Track Width — tridem axle — trailer with single tires built after 2009 | 2.45 to 2.6m | 
| Semi-Trailer | (19) | Track Width — tridem axle — all other trailers | 2.5 to 2.6m | 
8. The Dimensional Limit Chart in Schedule 5 to the Regulation is revoked and the following substituted:
DIMENSIONAL LIMIT CHART
| Vehicle | Ref. | Feature | Dimensional Limit | 
| Overall | (1) | Overall Length | Max. 23.0m | 
| Overall | (2) | Width | Max. 2.6m | 
| Overall | (3) | Height | Max. 4.15m | 
| Tractor | (4) | Inter-axle Spacing | Min. 3.0 m | 
| Tractor | (5) | Tandem Axle Spread | 1.3 to 1.85m | 
| Tractor | (6) | Wheelbase | Max. 6.2m if tractor built after 2005 | 
| Tractor | (6) | Wheelbase — (long combination) | Max. 6.2m | 
| Semi-Trailer | (8) | Length | Max. 16.2m | 
| Semi-Trailer | (9) | End-Dump Semi-Trailer Bed Length | Max. 14.65m | 
| Semi-Trailer | (10) | Swing Radius | Max. 2.0m | 
| Semi-Trailer | (11) | Wheelbase | 11.5 to 12.5m | 
| Semi-Trailer | (12) | Effective Rear Overhang | Max. 35% of wheelbase | 
| Semi-Trailer | (13) | Inter-vehicle-unit Distance | Min. 3.2m | 
| Semi-Trailer | (14) | Inter-axle Spacing | 1.5 to 2.8m | 
| Semi-Trailer | (13) + (14) | Inter-vehicle unit Distance + Inter-axle Spacing | Min. 6.0m | 
| Semi-Trailer | (15) | Inter-axle Spacing | >2.5 to 2.8m | 
| Semi-Trailer | (16) | Tridem Spread | 3.0 to 3.1m | 
| Semi-Trailer | (19) | Track Width — tridem axle — trailer with single tires built before 2010 | 2.3 to 2.6m | 
| Semi-Trailer | (19) | Track Width — tridem axle — trailer with single tires built after 2009 | 2.45 to 2.6m | 
| Semi-Trailer | (19) | Track Width — tridem axle — all other trailers | 2.5 to 2.6m | 
9. The Dimensional Limit Chart in Schedule 6 to the Regulation is revoked and the following substituted:
DIMENSIONAL LIMIT CHART
| Vehicle | Ref. | Feature | Dimensional Limit | 
| Overall | (1) | Overall Length | Max. 23.0m | 
| Overall | (2) | Width | Max. 2.6m | 
| Overall | (3) | Height | Max. 4.15m | 
| Tractor | (4) | Inter-axle Spacing | Min. 3.0m | 
| Tractor | (5) | Tandem Axle Spread | 1.3 to 1.85m | 
| Tractor | (6) | Wheelbase | Max. 6.2m if tractor built after 2005 | 
| Tractor | (6) | Wheelbase — (long combination) | Max. 6.2m | 
| Semi-Trailer | (8) | Length | Max. 16.2m | 
| Semi-Trailer | (9) | End-Dump Semi-Trailer Bed Length | Max. 14.65m | 
| Semi-Trailer | (10) | Swing Radius | Max. 2.0m | 
| Semi-Trailer | (11) | Wheelbase | Min. 9.5m | 
| Semi-Trailer | (12) | Effective Rear Overhang | Max. Lesser of 53% of wheelbase or 5.1m | 
| Semi-Trailer | (13) | Inter-vehicle-unit Distance | Min. 3.8m | 
| Semi-Trailer | (15) | Inter-axle Spacing | 2.9 to 3.0m | 
| Semi-Trailer | (16) | Quadruple Spread | 3.9 to 4.0m | 
| Semi-Trailer | (17) | Inter-axle Spacing | 2.3 to 2.8m | 
| Semi-Trailer | (19) | Track Width — quadruple axle — trailer with single tires built before 2010 | 2.3 to 2.6m | 
| Semi-Trailer | (19) | Track Width — quadruple axle — trailer with single tires built after 2009 | 2.45 to 2.6m | 
| Semi-Trailer | (19) | Track Width — quadruple axle — all other trailers | 2.5 to 2.6m | 
10. The Dimensional Limit Chart in Schedule 7 to the Regulation is revoked and the following substituted:
DIMENSIONAL LIMIT CHART
| Vehicle | Ref. | Feature | Dimensional Limit | 
| Overall | (1) | Overall Length | Max. 23.0m | 
| Overall | (2) | Width | Max. 2.6m | 
| Overall | (3) | Height | Max. 4.15m | 
| Tractor | (4) | Inter-axle Spacing | Min. 3.0m | 
| Tractor | (5) | Tandem Axle Spread | 1.3 to 1.85m | 
| Tractor | (6) | Wheelbase | Max. 6.2m if tractor built after 2005 | 
| Tractor | (6) | Wheelbase — (long combination) | Max. 6.2m | 
| Semi-Trailer | (8) | Length | Max. 16.2m | 
| Semi-Trailer | (9) | End-Dump Semi-Trailer Bed Length | Max. 14.65m | 
| Semi-Trailer | (10) | Swing Radius | Max. 2.0m | 
| Semi-Trailer | (11) | Wheelbase | 11.5 to 12.5m | 
| Semi-Trailer | (12) | Effective Rear Overhang | Max. 35% of wheelbase | 
| Semi-Trailer | (13) | Inter-vehicle-unit Distance | Min. 3.0m | 
| Semi-Trailer | (14) | Inter-axle Spacing | 1.5 to 2.8m | 
| Semi-Trailer | (15) | Inter-axle Spacing | 2.7 to 2.8m | 
| Semi-Trailer | (16) | Quadruple Spread | 3.9 to 4.0m | 
| Semi-Trailer | (19) | Track Width — quadruple axle — trailer with single tires built before 2010 | 2.3 to 2.6m | 
| Semi-Trailer | (19) | Track Width — quadruple axle — trailer with single tires built after 2009 | 2.45 to 2.6m | 
| Semi-Trailer | (19) | Track Width — quadruple axle — all other trailers | 2.5 to 2.6m | 
11. The Dimensional Limit Chart in Schedule 8 to the Regulation is revoked and the following substituted:
DIMENSIONAL LIMIT CHART
| Vehicle | Ref. | Feature | Dimensional Limit | 
| Overall | (1) | Overall Length | Max. 23.5m | 
| Overall | (2) | Width | Max. 2.6m | 
| Overall | (3) | Height | Max. 4.15m | 
| Tractor | (4) | Inter-axle Spacing | Not controlled | 
| Tractor | (5) | Tridem Axle Spread | 2.4 to 2.8m | 
| Tractor | (6) | Wheelbase | 6.6 to 6.8m | 
| Tractor | (7) | Tridem Track Width — tractor with single tires built before 2010 | 2.3 to 2.6m | 
| Tractor | (7) | Tridem Track Width — tractor with single tires built after 2009 | 2.45 to 2.6m | 
| Tractor | (7) | Tridem Track Width — all other tractors | 2.5 to 2.6m | 
| Semi-Trailer | (8) | Length | Max. 16.2m | 
| Semi-Trailer | (9) | End-Dump Semi-Trailer Bed Length | Max. 14.65m | 
| Semi-Trailer | (10) | Swing Radius | Max. 2.0m | 
| Semi-Trailer | (11) | Wheelbase | 6.25 to 12.0m | 
| Semi-Trailer | (12) | Effective Rear Overhang | Max. 35% of wheelbase | 
| Semi-Trailer | (13) | Inter-vehicle-unit Distance — single to tridem | Min. 3.0m | 
| Semi-Trailer | (13) | Inter-vehicle-unit Distance — tandem to tridem | Min. 5.5m | 
| Semi-Trailer | (13) | Inter-vehicle-unit Distance — tridem to tridem | Min. 6.0m | 
| Semi-Trailer | (16) | Tandem Spread | 1.2 to 3.1m | 
| Semi-Trailer | (16) | Tridem Spread | 2.4 to 3.7m | 
| Semi-Trailer | (19) | Track Width — trailer with single tires built before 2010 | 2.3 to 2.6m | 
| Semi-Trailer | (19) | Track Width — trailer with single tires built after 2009 | 2.45 to 2.6m | 
| Semi-Trailer | (19) | Track Width — all other trailers | 2.5 to 2.6m | 
12. The Dimensional Limit Chart in Schedule 9 to the Regulation is revoked and the following substituted:
DIMENSIONAL LIMIT CHART
| Vehicle | Ref. | Feature | Dimensional Limit | 
| Overall | (1) | Overall Length | Max. 23.5m | 
| Overall | (2) | Width | Max. 2.6m | 
| Overall | (3) | Height | Max. 4.15m | 
| Tractor | (4) | Inter-axle Spacing | Not controlled | 
| Tractor | (5) | Tridem Axle Spread | 2.4 to 2.8m | 
| Tractor | (6) | Wheelbase | 6.6 to 6.8m | 
| Tractor | (7) | Tridem Track Width — tractor with single tires built before 2010 | 2.3 to 2.6m | 
| Tractor | (7) | Tridem Track Width — tractor with single tires built after 2009 | 2.45 to 2.6m | 
| Tractor | (7) | Tridem Track Width — all other tractors | 2.5 to 2.6m | 
| Semi-Trailer | (8) | Length (long combination) | Max. 16.2m | 
| Semi-Trailer | (9) | End-Dump Semi-Trailer Bed Length | Max. 14.65m | 
| Semi-Trailer | (10) | Swing Radius | Max. 2.0m | 
| Semi-Trailer | (11) | Wheelbase | 6.25 to 12.0m | 
| Semi-Trailer | (12) | Effective Rear Overhang | Max. 35% of wheelbase | 
| Semi-Trailer | (13) | Inter-vehicle-unit Distance | Min. 3.7m | 
| Semi-Trailer | (15) | Inter-axle Spacing | >2.5 to 3.0m | 
| Semi-Trailer | (16) | Tandem Spread | 1.2 to 2.8m | 
| Semi-Trailer | (19) | Track Width — tandem — trailer with single tires built before 2010 | 2.3 to 2.6m | 
| Semi-Trailer | (19) | Track Width — tandem — trailer with single tires built after 2009 | 2.45 to 2.6m | 
| Semi-Trailer | (19) | Track Width — tandem — all other trailers | 2.5 to 2.6m | 
13. The Dimensional Limit Chart in Schedule 10 to the Regulation is revoked and the following substituted:
DIMENSIONAL LIMIT CHART
| Vehicle | Ref. | Feature | Dimensional Limit | 
| Overall | (1) | Overall Length | Max. 23.5m | 
| Overall | (2) | Width | Max. 2.6m | 
| Overall | (3) | Height | Max. 4.15m | 
| Tractor | (4) | Inter-axle Spacing | Not controlled | 
| Tractor | (5) | Tridem Axle Spread | 2.4 to 2.8m | 
| Tractor | (6) | Wheelbase | 6.6 to 6.8m | 
| Tractor | (7) | Tridem Track Width — tractor with single tires built before 2010 | 2.3 to 2.6m | 
| Tractor | (7) | Tridem Track Width — tractor with single tires built after 2009 | 2.45 to 2.6m | 
| Tractor | (7) | Tridem Track Width — all other tractors | 2.5 to 2.6m | 
| Semi-Trailer | (8) | Length | Max. 16.2m | 
| Semi-Trailer | (9) | End-Dump Semi-Trailer Bed Length | Max. 14.65m | 
| Semi-Trailer | (10) | Swing Radius | Max. 2.0m | 
| Semi-Trailer | (11) | Wheelbase | 6.25 to 12.0m | 
| Semi-Trailer | (12) | Effective Rear Overhang | Max. 35% of wheelbase | 
| Semi-Trailer | (13) | Inter-vehicle-unit Distance — if tridem spread is 3.0 < 3.6m | Min. 5.0m | 
| Semi-Trailer | (13) | Inter-vehicle-unit Distance — if tridem spread is 3.6 to 3.7m | Min. 4.5m | 
| Semi-Trailer | (15) | Inter-axle Spacing | >2.5 to 3.0m | 
| Semi-Trailer | (16) | Tridem Spread | 3.0 to 3.7m | 
| Semi-Trailer | (19) | Track Width — tridem — trailer with single tires built before 2010 | 2.3 to 2.6m | 
| Semi-Trailer | (19) | Track Width — tridem — trailer with single tires built after 2009 | 2.45 to 2.6m | 
| Semi-Trailer | (19) | Track Width — tridem — all other trailers | 2.5 to 2.6m | 
14. The Dimensional Limit Chart in Schedule 11 to the Regulation is revoked and the following substituted:
DIMENSIONAL LIMIT CHART
| Vehicle | Ref. | Feature | Dimensional Limit | 
| Overall | (1) | Overall Length | Max. 25.0m | 
| Overall | (2) | Width | Max. 2.6m | 
| Overall | (3) | Height | Max. 4.15m | 
| Tractor | (4) | Inter-axle Spacing | Min. 3.0m | 
| Tractor | (5) | Tandem Axle Spread | 1.2 to 1.85m | 
| Tractor | (6) | Wheelbase | Max. 6.2m if tractor built after 2005 | 
| Tractor | (6) | Wheelbase — (long combination) | Max. 6.2m | 
| Lead Semi-Trailer | (10) | Swing Radius | Max. 2.0m | 
| Lead Semi-Trailer | (11) | Wheelbase | Min. 6.25m | 
| Lead Semi-Trailer | (13) | Inter-vehicle-unit Distance — single to single or tandem | Min. 3.0m | 
| Lead Semi-Trailer | (13) | Inter-vehicle-unit Distance — tandem to tandem | Min. 5.0m | 
| Lead Semi-Trailer | (16) | Tandem Spread | 1.2 to 1.85m | 
| Lead Semi-Trailer | (18) | Hitch Offset | Max. 1.8m | 
| Lead Semi-Trailer | (19) | Track Width — trailer with single tires built before 2010 | 2.3 to 2.6m | 
| Lead Semi-Trailer | (19) | Track Width — trailer with single tires built after 2009 | 2.45 to 2.6m | 
| Lead Semi-Trailer | (19) | Track Width — all other trailers | 2.5 to 2.6m | 
| Combination | (20) | Box Length | Max. 20.0m | 
| Combination | (21) | Converter Dolly Drawbar Length | Not controlled | 
| Combination | (22) | Converter Dolly Track Width — converter dolly with single tires built before 2010 | 2.3 to 2.6m | 
| Combination | (22) | Converter Dolly Track Width — converter dolly with single tires built after 2009 | 2.45 to 2.6m | 
| Combination | (22) | Converter Dolly Track Width — all other converter dollies | 2.5 to 2.6m | 
| Second Semi or Full Trailer | (25) | Wheelbase | Min. 6.25m | 
| Second Semi or Full Trailer | (26) | Inter-vehicle-unit Distance | Not controlled | 
| Second Semi or Full Trailer | (27) | Inter-axle Spacing | Min. 3.0m | 
| Second Semi or Full Trailer | (28) | Tandem Spread | 1.2 to 1.85m | 
| Second Semi or Full Trailer | (29) | Track Width — trailer with single tires built before 2010 | 2.3 to 2.6m | 
| Second Semi or Full Trailer | (29) | Track Width — trailer with single tires built after 2009 | 2.45 to 2.6m | 
| Second Semi or Full Trailer | (29) | Track Width — all other trailers | 2.5 to 2.6m | 
15. The Dimensional Limit Chart in Schedule 12 to the Regulation is revoked and the following substituted:
DIMENSIONAL LIMIT CHART
| Vehicle | Ref. | Feature | Dimensional Limit | 
| Overall | (1) | Overall Length | Max. 25.0m | 
| Overall | (2) | Width | Max. 2.6m | 
| Overall | (3) | Height | Max. 4.15m | 
| Tractor | (4) | Inter-axle Spacing | Min. 3.0m | 
| Tractor | (5) | Tandem Axle Spread | 1.2 to 1.85m | 
| Tractor | (6) | Wheelbase | Max. 6.2m if tractor built after 2005 | 
| Tractor | (6) | Wheelbase — (long combination) | Max. 6.2 | 
| Lead Semi-Trailer | (10) | Swing Radius | Max. 2.0m | 
| Lead Semi-Trailer | (11) | Wheelbase | Min. 6.25m | 
| Lead Semi-Trailer | (13) | Inter-vehicle-unit Distance — single to tandem or tridem | Min. 3.0m | 
| Lead Semi-Trailer | (13) | Inter-vehicle-unit Distance — tandem to tandem | Min. 5.0m | 
| Lead Semi-Trailer | (13) | Inter-vehicle-unit Distance — tandem to tridem | Min. 5.5m | 
| Lead Semi-Trailer | (16) | Tandem Spread | 1.2 to 1.85m | 
| Lead Semi-Trailer | (16) | Tridem Spread | 2.4 to 3.1m | 
| Lead Semi-Trailer | (19) | Track Width — trailer with single tires built before 2010 | 2.3 to 2.6m | 
| Lead Semi-Trailer | (19) | Track Width — trailer with single tires built after 2009 | 2.45 to 2.6m | 
| Lead Semi-Trailer | (19) | Track Width — all other trailers | 2.5 to 2.6m | 
| Combination | (20) | Box Length | Max. 20.0m | 
| Combination | (11)+(25) | Sum of Trailer Wheelbases | Max. 17.0m | 
| Second Trailer | (23) | Swing Radius | Max. 2.0m | 
| Second Trailer | (24) | Kingpin behind rearmost axle of lead trailer | Max. 0.3m | 
| Second Trailer | (25) | Wheelbase | Min. 6.25m | 
| Second Trailer | (26) | Inter-vehicle-unit Distance — single to tandem or tridem | Min. 3.0m | 
| Second Trailer | (26) | Inter-vehicle-unit Distance — tandem to tandem | Min. 5.0m | 
| Second Trailer | (26) | Inter-vehicle-unit Distance — tandem to tridem | Min. 5.5m | 
| Second Trailer | (26) | Inter-vehicle-unit Distance — tridem to tridem | Min. 6.0m | 
| Second Trailer | (28) | Tandem Spread | 1.2 to 1.85m | 
| Second Trailer | (28) | Tridem Spread | 2.4 to 3.1m | 
| Second Trailer | (29) | Track Width — trailer with single tires built before 2010 | 2.3 to 2.6m | 
| Second Trailer | (29) | Track Width — trailer with single tires built after 2009 | 2.45 to 2.6m | 
| Second Trailer | (29) | Track Width — all other trailers | 2.5 to 2.6m | 
16. The Dimensional Limit Chart in Schedule 13 to the Regulation is revoked and the following substituted:
DIMENSIONAL LIMIT CHART
| Vehicle | Ref. | Feature | Dimensional Limit | 
| Overall | (1) | Overall Length | Max. 25.0m | 
| Overall | (2) | Width | Max. 2.6m | 
| Overall | (3) | Height | Max. 4.15m | 
| Tractor | (4) | Inter-axle Spacing | Min. 3.0m | 
| Tractor | (5) | Tandem Axle Spread | 1.2 to 1.85m | 
| Tractor | (6) | Wheelbase | Max. 6.2m if tractor built after 2005 | 
| Tractor | (6) | Wheelbase — (long combination) | Max. 6.2m | 
| Lead Semi-Trailer | (10) | Swing Radius | Max. 2.0m | 
| Lead Semi-Trailer | (11) | Wheelbase | Min. 6.25m | 
| Lead Semi-Trailer | (13) | Inter-vehicle-unit Distance — single to single or tandem | Min. 3.0m | 
| Lead Semi-Trailer | (13) | Inter-vehicle-unit Distance — tandem to tandem | Min. 5.0m | 
| Lead Semi-Trailer | (16) | Tandem Spread | 1.2 to 1.85m | 
| Lead Semi-Trailer | (18) | Hitch Offset | Max. 1.8m | 
| Lead Semi-Trailer | (19) | Track Width — trailer with single tires built before 2010 | 2.3 to 2.6m | 
| Lead Semi-Trailer | (19) | Track Width — trailer with single tires built after 2009 | 2.45 to 2.6m | 
| Lead Semi-Trailer | (19) | Track Width — all other trailers | 2.5 to 2.6m | 
| Combination | (20) | Box Length | Max. 20.0m | 
| Combination | (21) | Converter Dolly Drawbar Length | Max. 2.0m | 
| Combination | (22) | Converter Dolly Track Width — converter dolly with single tires built before 2010 | 2.3 to 2.6m | 
| Combination | (22) | Converter Dolly Track Width — converter dolly with single tires built after 2009 | 2.45 to 2.6m | 
| Combination | (22) | Converter Dolly Track Width — all other converter dollies | 2.5 to 2.6m | 
| Second Trailer | (25) | Wheelbase | Min. 6.25m | 
| Second Trailer | (26) | Inter-vehicle-unit Distance | Not controlled | 
| Second Trailer | (27) | Inter axle Spacing | Min. 3.0m | 
| Second Trailer | (28) | Tandem Spread | 1.2 to 1.85m | 
| Second Trailer | (29) | Track Width — trailer with single tires built before 2010 | 2.3 to 2.6m | 
| Second Trailer | (29) | Track Width — trailer with single tires built after 2009 | 2.45 to 2.6m | 
| Second Trailer | (29) | Track Width — all other trailers | 2.5 to 2.6m | 
17. The Dimensional Limit Chart in Schedule 14 to the Regulation is revoked and the following substituted:
DIMENSIONAL LIMIT CHART
| Vehicle | Ref. | Feature | Dimensional Limit | 
| Overall | (1) | Overall Length | Max. 23m | 
| Overall | (2) | Width | Max. 2.6m | 
| Overall | (3) | Height | Max. 4.15m | 
| Tractor | (4) | Inter-axle Spacing | Min. 3.0m | 
| Tractor | (5) | Tandem Axle Spread | 1.2 to 1.85m | 
| Tractor | (6) | Wheelbase | Not controlled | 
| Tractor | (12) | Tractor Effective Rear Overhang | Max. 4.0m | 
| Tractor | (32) | Hitch Offset | Max. 2.3m | 
| Tractor | (33) | Length | Max. 12.5m | 
| Tractor | (34) | Front Load Overhang | Max. 1.0 m | 
| Semi-Trailer | (8) | Length | Max. 14.65m | 
| Semi-Trailer | (11) | Wheelbase: | 6.25 to 12.5m | 
| Semi-Trailer | (16) | Tandem Axle Spread | 1.2 to 3.10m | 
| Semi-Trailer | (17) | Effective Rear Overhang (excluding rear load overhang) | Max. 4.0m or 42% of wheelbase (whichever is greater) | 
| Semi-Trailer | (18) | Rear Load Overhang | Max. 1.2m | 
| Semi-Trailer | (19) | Track Width — trailer with single tires built before 2010 | 2.3 to 2.6m | 
| Semi-Trailer | (19) | Track Width — trailer with single tires built after 2009 | 2.45 to 2.6m | 
| Semi-Trailer | (19) | Track Width — all other trailers | 2.5 to 2.6m | 
18. The Dimensional Limit Chart in Schedule 15 to the Regulation is revoked and the following substituted:
DIMENSIONAL LIMIT CHART
| Vehicle | Ref. | Feature | Dimensional Limit | 
| Overall | (1) | Overall Length | Max. 23.0m | 
| Overall | (2) | Width | Max. 2.6m | 
| Overall | (3) | Height | Max. 4.15m | 
| Tractor | (4) | Inter-axle Spacing | Min. 3.0m | 
| Tractor | (5) | Tandem Axle Spread | 1.2 to 1.85m | 
| Tractor | (6) | Wheelbase | Max. 6.2m | 
| Semi-Trailer | (8) | Length | Max. 16.2m | 
| Semi-Trailer | (10) | Swing Radius | Max. 2.0m | 
| Semi-Trailer | (11) | Wheelbase (Front Portion) | Min. 7.9m | 
| Semi-Trailer | (13) | Inter-vehicle-unit Distance | Min. 5.3m | 
| Semi-Trailer | (16) | Tridem Spread | 3.0 to 3.1m | 
| Semi-Trailer | (18) | Hinge Offset | Max 2.0m | 
| Semi-Trailer | (19) | Track Width of tandem axle and tridem axle — single tires | 2.45 to 2.6m | 
| Semi-Trailer | (19) | Track Width of tandem axle and tridem axle — dual tires | 2.5 to 2.6m | 
| Semi-Trailer | (25) | Wheelbase (Rear Portion) | Min. 4.0m | 
| Semi-Trailer | (26) | Inter-axle Spacing | Min. 3.7m | 
| Semi-Trailer | (28) | Tandem Spread | 1.5 to 1.6m | 
19. The Dimensional Limit Chart in Schedule 16 to the Regulation is revoked and the following substituted:
DIMENSIONAL LIMIT CHART
| Vehicle | Ref. | Feature | Dimensional Limit | 
| Bus or RV | (1) | Length | Max. 12.5m | 
| Bus or RV | (2) | Width | Max. 2.6m | 
| Bus or RV | (3) | Height | Max. 4.15m | 
| Bus or RV | (4) | Inter-axle Spacing | Not controlled | 
| Bus or RV | (5) | Rear Tandem or Two Axle Group | 1.2 to 1.85m | 
| Bus or RV | (6) | Wheelbase | Not controlled | 
| Bus or RV | (12) | Effective Rear Overhang | Not controlled | 
20. The Dimensional Limit Chart in Schedule 17 to the Regulation is revoked and the following substituted:
DIMENSIONAL LIMIT CHART
| Vehicle | Ref. | Feature | Dimensional Limit | 
| Bus or RV | (1) | Length | Max. 14.0m | 
| Bus or RV | (2) | Width | Max. 2.6m | 
| Bus or RV | (3) | Height | Max. 4.15m | 
| Bus or RV | (4) | Inter-axle Spacing | Not controlled | 
| Bus or RV | (5) | Rear Tandem or Two Axle Group | 1.2 to 1.85m | 
| Bus or RV | (6) | Wheelbase | Not controlled | 
| Bus or RV | (12) | Effective Rear Overhang | Max. 4.0m | 
21. The Dimensional Limit Chart in Schedule 18 to the Regulation is revoked and the following substituted:
DIMENSIONAL LIMIT CHART
| Vehicle | Ref. | Feature | Dimensional Limit | 
| Articulated Bus | (1) | Length | Max. 25m | 
| Articulated Bus | (2) | Width | Max. 2.6m | 
| Articulated Bus | (3) | Height | Max. 4.15m | 
| Articulated Bus | (4) | Inter-axle Spacing | Not controlled | 
| Articulated Bus | (6) | Wheelbase | Not controlled | 
| Articulated Bus | (12) | Effective Rear Overhang | Not controlled | 
| Articulated Bus | (31) | Inter-axle Spacing | Not controlled | 
22. The Dimensional Limit Chart in Schedule 19 to the Regulation is revoked and the following substituted:
DIMENSIONAL LIMIT CHART
| Vehicle | Ref. | Feature | Dimensional Limit | 
| Truck | (1) | Length | Max. 12.5m | 
| Truck | (2) | Width | Max. 2.6m | 
| Truck | (3) | Height | Max. 4.15m | 
| Truck | (4) | Inter-axle Spacing | Min. 3.0m | 
| Truck | (6) | Wheelbase | Not controlled | 
| Truck | (12) | Effective Rear Overhang | Max. 4.0m | 
| Truck | (20) | Box Length | Not controlled | 
| Truck | (32) | Hitch Offset (if drawing trailer) | Max. 1.8m | 
23. The Dimensional Limit Chart in Schedule 20 to the Regulation is revoked and the following substituted:
DIMENSIONAL LIMIT CHART
| Vehicle | Ref. | Feature | Dimensional Limit | 
| Truck | (1) | Length | Max. 12.5m | 
| Truck | (2) | Width | Max. 2.6m | 
| Truck | (3) | Height | Max. 4.15m | 
| Truck | (4) | Inter-axle Spacing | Min. 3.0m | 
| Truck | (5) | Tandem Axle Spread | 1.2 to 1.88m | 
| Truck | (6) | Wheelbase | Not controlled | 
| Truck | (12) | Effective Rear Overhang | Max. 4.0m | 
| Truck | (20) | Box Length | Not controlled | 
| Truck | (32) | Hitch Offset (if drawing trailer) | Max. 1.8m | 
24. The Dimensional Limit Chart in Schedule 21 to the Regulation is revoked and the following substituted:
DIMENSIONAL LIMIT CHART
| Vehicle | Ref. | Feature | Dimensional Limit | 
| Truck | (1) | Length | Max. 12.5m | 
| Truck | (2) | Width | Max. 2.6m | 
| Truck | (3) | Height | Max. 4.15m | 
| Truck | (4) | Inter-axle Spacing | 2.3 to 2.8m | 
| Truck | (5) | Tandem Axle Spread | 1.3 to 1.6m | 
| Truck | (6) | Wheelbase | Not controlled | 
| Truck | (12) | Effective Rear Overhang | Max. 4.0m | 
| Truck | (20) | Box Length | Not controlled | 
| Truck | (31) | Inter-Axle Spacing | Min. 3.0m | 
| Truck | (32) | Hitch Offset (if drawing trailer) | Max. 1.8m | 
| Truck | (35) | Tandem Axle Track Width | 2.4 to 2.6m | 
25. The Dimensional Limit Chart in Schedule 22 to the Regulation is revoked and the following substituted:
DIMENSIONAL LIMIT CHART
| Vehicle | Ref. | Feature | Dimensional Limit | 
| Truck | (1) | Length | Max. 12.5m | 
| Truck | (2) | Width | Max. 2.6m | 
| Truck | (3) | Height | Max. 4.15m | 
| Truck | (4) | Inter-axle Spacing | Not controlled | 
| Truck | (5) | Rear Tandem Axle Spread | 1.2 to 1.88m | 
| Truck | (6) | Effective Wheelbase | Min. 5.3m | 
| Truck | (12) | Effective Rear Overhang | Max. 4.0m | 
| Truck | (20) | Box Length | Not controlled | 
| Truck | (30) | Front Tandem Axle Spread | 1.2 to 2.7m | 
| Truck | (32) | Hitch Offset (if drawing trailer) | Max. 1.8m | 
| Truck | (35) | Tandem Axle Track Width | 2.4 to 2.6m | 
26. The Dimensional Limit Chart in Schedule 23 to the Regulation is revoked and the following substituted:
DIMENSIONAL LIMIT CHART
| Vehicle | Ref. | Feature | Dimensional Limit | 
| Truck | (1) | Length | Max. 12.5m | 
| Truck | (2) | Width | Max. 2.6m | 
| Truck | (3) | Height | Max. 4.15m | 
| Truck | (31) | Inter-axle Spacing | Not controlled | 
| Truck | (4) | Inter-axle Spacing | 2.51 to 2.8m | 
| Truck | (5) | Tandem Axle Spread | 1.2 to 1.88m | 
| Truck | (6) | Wheelbase | Min. 6.4m, if Tandem Axle Spread (5) is 1.2 < 1.8m | 
| Truck | (6) | Wheelbase | Min. 6.85m, if Tandem Axle Spread (5) is 1.8 to 1.85m | 
| Truck | (12) | Effective Rear Overhang | Max. 4.0m | 
| Truck | (20) | Box Length | Not controlled | 
| Truck | (32) | Hitch Offset (if drawing trailer) | Max. 1.8m | 
| Truck | (35) | Tandem Axle Track Width | 2.4 to 2.6m | 
27. The Dimensional Limit Chart in Schedule 24 to the Regulation is revoked and the following substituted:
DIMENSIONAL LIMIT CHART
| Vehicle | Ref. | Feature | Dimensional Limit | 
| Truck | (1) | Length | Max. 12.5m | 
| Truck | (2) | Width | Max. 2.6m | 
| Truck | (3) | Height | Max. 4.15m | 
| Truck | (4) | Inter-axle Spacing | Not controlled | 
| Truck | (5) | Tridem Axle Spread | 2.4 to 2.8m | 
| Truck | (6) | Wheelbase | Min. 6.6m | 
| Truck | (12) | Effective Rear Overhang | Max. 4.0m | 
| Truck | (20) | Box Length | Not controlled | 
| Truck | (32) | Hitch Offset (if drawing trailer) | Max. 2.5m | 
| Truck | (35) | Tridem Track Width | 2.5 to 2.6m | 
28. The Dimensional Limit Chart in Schedule 25 to the Regulation is revoked and the following substituted:
DIMENSIONAL LIMIT CHART
| Vehicle | Ref. | Feature | Dimensional Limit | 
| Truck | (1) | Length | Max. 12.5m | 
| Truck | (2) | Width | Max. 2.6m | 
| Truck | (3) | Height | Max. 4.15m | 
| Truck | (4) | Inter-axle Spacing | Not controlled | 
| Truck | (5) | Tridem Axle Spread | 2.4 to 2.8m | 
| Truck | (6) | Effective wheelbase | Min. 6.0m | 
| Truck | (12) | Effective Rear Overhang | Max. 4.0m | 
| Truck | (20) | Box Length | Not controlled | 
| Truck | (30) | Front Tandem Axle Spread | 1.2 to 2.7m | 
| Truck | (32) | Hitch Offset (if drawing trailer) | Max. 2.5m | 
| Truck | (35) | Tridem Track Width | 2.5 to 2.6m | 
29. The Dimensional Limit Chart in Schedule 26 to the Regulation is revoked and the following substituted:
DIMENSIONAL LIMIT CHART
| Vehicle | Ref. | Feature | Dimensional Limit | 
| Overall | (1) | Overall Length | Max. 23m | 
| Overall | (2) | Width | Max. 2.6m | 
| Overall | (3) | Height | Max. 4.15m | 
| Truck | na | Designated Trucks 1-7 | Refer to Schedules 19-25 | 
| Pony Trailer | (8) | Length | Max. 12.5m | 
| Pony Trailer | (11) | Wheelbase — single axle trailer | Min. 4.0m | 
| Pony Trailer | (11) | Wheelbase — tandem and tridem trailer | Min. 6.25m | 
| Pony Trailer | (12) | Effective Rear Overhang | Max. 4.0m | 
| Pony Trailer | (13) | Inter-vehicle-unit Distance between single and single, tandem, or tridem | Min. 3.0m | 
| Pony Trailer | (13) | Inter-vehicle-unit Distance between tandem and tandem | Min. 5.0m | 
| Pony Trailer | (13) | Inter-vehicle-unit Distance between tandem and tridem | Min. 5.5m | 
| Pony Trailer | (13) | Inter-vehicle-unit Distance between tridem and tridem | Min. 6.0m | 
| Pony Trailer | (16) | Tandem Spread | 1.2 to 1.85m | 
| Pony Trailer | (16) | Tridem Spread | 2.4 to 3.7m | 
| Pony Trailer | (19) | Track Width — single tires | 2.45 to 2.6m | 
| Pony Trailer | (19) | Track Width — dual tires | 2.5 to 2.6m | 
| Pony Trailer | (20) | Box Length | Max. 20m | 
| Pony Trailer | (32) | Hitch Offset — single or tandem drive truck | Max. 1.8m | 
| Pony Trailer | (32) | Hitch Offset — tridem drive truck | Max. 2.5m | 
30. The Dimensional Limit Chart in Schedule 27 to the Regulation is revoked and the following substituted:
DIMENSIONAL LIMIT CHART
| Vehicle | Ref. | Feature | Dimensional Limit | 
| Overall | (1) | Overall Length | Max. 23m | 
| Overall | (2) | Width | Max. 2.6m | 
| Overall | (3) | Height | Max. 4.15m | 
| Truck | na | Designated Trucks 2-7 | Refer to Schedules 20-25 | 
| Self-Steer Trailer | (8) | Length | Max. 12.5m | 
| Self-Steer Trailer | (11) | Wheelbase | Min. 7.0m | 
| Self-Steer Trailer | (12) | Effective Rear Overhang | Max. 4.0m | 
| Self-Steer Trailer | (13) | Inter-vehicle-unit Distance | Min. 3.0m | 
| Self-Steer Trailer | (16) | Tandem Spread | 1.2 to 1.85m | 
| Self-Steer Trailer | (19) | Track Width of tandem axle — single tires | 2.45 to 2.6m | 
| Self-Steer Trailer | (19) | Track Width of tandem axle — dual tires | 2.5 to 2.6m | 
| Self-Steer Trailer | (20) | Box Length | Max. 20m | 
| Self-Steer Trailer | (27) | Inter-Axle Spacing | > 2.5m | 
| Self-Steer Trailer | (32) | Hitch Offset — tandem drive truck | Max. 1.8m | 
| Self-Steer Trailer | (32) | Hitch Offset — tridem drive truck | Max. 2.5m | 
31. The Dimensional Limit Chart in Schedule 28 to the Regulation is revoked and the following substituted:
DIMENSIONAL LIMIT CHART
| Vehicle | Ref. | Feature | Dimensional Limit | 
| Overall | (1) | Overall Length | Max. 23m | 
| Overall | (2) | Width | Max. 2.6m | 
| Overall | (3) | Height | Max. 4.15m | 
| Truck | na | Designated Trucks 1-7 | Refer to Schedules 19-25 | 
| Full Trailer | (8) | Length | Not controlled | 
| Full Trailer | (8) | Length (excluding the drawbar) | Max. 12.5m | 
| Full Trailer | (11) | Wheelbase | Min. 6.25m | 
| Full Trailer | (12) | Effective Rear Overhang | Max. 4.0m | 
| Full Trailer | (13) | Inter-vehicle-unit Distance between single and single, tandem, or tridem | Min. 3.0m | 
| Full Trailer | (13) | Inter-vehicle-unit Distance between tandem and tandem | Min. 5.0m | 
| Full Trailer | (13) | Inter-vehicle-unit Distance between tandem and tridem | Min. 5.5m | 
| Full Trailer | (16) | Tandem Spread | 1.2 to 1.85m | 
| Full Trailer | (16) | Track Width — single tires | 2.45 to 2.6m | 
| Full Trailer | (16) | Track Width — dual tires | 2.5 to 2.6m | 
| Full Trailer | (20) | Box Length | Max. 20m | 
| Full Trailer | (27) | Inter-Axle Spacing | Min. 5.0m | 
| Full Trailer | (32) | Hitch Offset — single or tandem drive truck | Max. 1.8m | 
| Full Trailer | (32) | Hitch Offset — tridem drive truck | Max. 2.5m | 
32. The Dimensional Limit Chart in Schedule 29 to the Regulation is revoked and the following substituted:
DIMENSIONAL LIMIT CHART
| Vehicle | Ref. | Feature | Dimensional Limit | 
| Overall | (1) | Overall Length | Max. 23m | 
| Overall | (2) | Width | Max. 2.6m | 
| Overall | (3) | Height | Max. 4.15m | 
| Truck | na | Designated Trucks 2-7 | Refer to Schedules 20-25 | 
| Self-Steer Trailer | (8) | Length | Max. 12.5m | 
| Self-Steer Trailer | (11) | Wheelbase | Min 7.0m | 
| Self-Steer Trailer | (12) | Effective Rear Overhang | Max. 4.0m | 
| Self-Steer Trailer | (13) | Inter-vehicle-unit Distance | Min. 3.0m | 
| Self-Steer Trailer | (16) | Tandem Spread | 1.2 to 1.85m | 
| Self-Steer Trailer | (19) | Track Width of tandem axle — single tires | 2.45 to 2.6m | 
| Self-Steer Trailer | (19) | Track Width of tandem axle — dual tires | 2.5 to 2.6m | 
| Self-Steer Trailer | (20) | Box Length | Max. 20m | 
| Self-Steer Trailer | (27) | Inter-Axle Spacing | Min. 3.0m | 
| Self-Steer Trailer | (32) | Hitch Offset — tandem drive truck | Max. 1.8m | 
| Self-Steer Trailer | (32) | Hitch Offset — tridem drive truck | Max. 2.5m | 
33. The Dimensional Limit Chart in Schedule 30 to the Regulation is revoked and the following substituted:
DIMENSIONAL LIMIT CHART
| Part | Ref. | Feature | Dimensional Limit | 
| Overall | (1) | Overall Length | Max. 23m | 
| Overall | (2) | Width | Max. 2.6m | 
| Overall | (3) | Height | Max. 4.15m | 
| Truck | na | Designated Trucks 2-7 | Refer to Schedules 20-25 | 
| Tridem Trailer | (8) | Length | Max. 12.5m | 
| Tridem Trailer | (11) | Wheelbase | Min. 6.25m | 
| Tridem Trailer | (12) | Effective Rear Overhang | Max. 4.0m | 
| Tridem Trailer | (13) | Inter-vehicle-unit Distance between tandem and tridem | Min. 5.5m | 
| Tridem Trailer | (13) | Inter-vehicle Distance between tridem and tandem | Min. 6.0m | 
| Tridem Trailer | (16) | Tridem Spread | 2.4 to 3.7m | 
| Tridem Trailer | (19) | Track Width — single tires | 2.45 to 2.6m | 
| Tridem Trailer | (19) | Track Width — dual tires | 2.5 to 2.6m | 
| Tridem Trailer | (20) | Box Length | Max. 20m | 
| Tridem Trailer | (32) | Hitch Offset — tandem drive truck | Max. 1.8m | 
| Tridem Trailer | (32) | Hitch Offset — tridem drive truck | Max. 2.5m | 
34. The Dimensional Limit Chart in Schedule 31 to the Regulation is revoked and the following substituted:
DIMENSIONAL LIMIT CHART
| Vehicle | Ref. | Feature | Dimensional Limit | 
| Overall | (1) | Overall Length | Max. 23m | 
| Overall | (2) | Width | Max. 2.6m | 
| Overall | (3) | Height | Max. 4.15m | 
| Lead Tractor or Truck | (4) | Inter-axle Spacing | Min. 3.0m | 
| Lead Tractor or Truck | (6) | Wheelbase | Not controlled | 
| Drawn Tractors or Trucks | (13) | Inter-vehicle-unit Distance | Min. 3.0m | 
35. Vehicle Weight Table 30 of the Regulation is amended by striking out the last row and substituting the following:
| 19.5 and over (front axle 8,000 kg or more) | 3.6 and over | 25,450 | 37,000 | 46,000 | 56,000 | 63,000 | 63,500 | 
Commencement
36. This Regulation comes into force on the day it is filed.