Commercial driver's guide to operation, safety and licensing
Commercial driver's guide to operation, safety and licensing
Commercial driver's guide to operation, safety and licensing
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Maximum overall length 23m (75.5ft.)<br />
Maximum box length 16.2m (53ft.)<br />
(including load)<br />
4.15m<br />
Effective rear overhang<br />
(max. 0.35 x wheelbase)<br />
Wheelbase<br />
min. 6.25m (20.5ft.)<br />
max. 12.5m (41ft.)<br />
Kingpin setback<br />
max. 2.0m (6.5ft.)<br />
radius<br />
Interaxle spacing<br />
T<strong>and</strong>em axle speed<br />
min. 1.2m (47in.)<br />
max. 1.85m (72in.)<br />
Interaxle spacing<br />
3.0m min. (118in.)<br />
Trac<strong>to</strong>r wheelbase<br />
max. 6.2m (244in.)<br />
Operating a trucktrac<strong>to</strong>r<br />
<strong>and</strong> semitrailer<br />
Size <strong>and</strong> weight restrictions<br />
of commercial vehicles<br />
<strong>Commercial</strong> vehicles must not be more<br />
than the following dimensions:<br />
• 2.6 metres in width. If the vehicle is<br />
wider than 2.05 metres, clearance lights<br />
are required. These must be amber in<br />
the front <strong>and</strong> red in the rear.<br />
• 4.15 metres in height from the<br />
ground surface<br />
• 12.5 metres in length for a straight truck<br />
• 6.2 metres in wheelbase length for a<br />
truck-trac<strong>to</strong>r<br />
• 23 metres in overall length for a trac<strong>to</strong>r<br />
semi-trailer or truck <strong>and</strong> <strong>to</strong>wed trailer<br />
combination<br />
• 25 metres in overall length for<br />
Transportation Association of Canada<br />
(TAC) vehicle combinations consisting of<br />
A, B <strong>and</strong> C trains.<br />
No vehicle or combination of vehicles<br />
will be allowed <strong>to</strong> operate on a highway<br />
if the weight on a tire, axle or axle groups<br />
or gross vehicle weight is more than what<br />
is allowed under the <strong>Commercial</strong> Vehicle<br />
Dimension <strong>and</strong> Weight Regulation (AR<br />
315/2002).<br />
Specialized, oversized or overweight<br />
equipment requires a special permit. The<br />
permit will have specific conditions on it.<br />
These conditions will state:<br />
• the routes you may travel on<br />
• the days <strong>and</strong> hours of travel<br />
• the type of equipment that<br />
must be used<br />
• anything else that is needed <strong>to</strong> prevent<br />
road damage <strong>and</strong> <strong>to</strong> ensure <strong>safety</strong>.<br />
Air Brakes<br />
Detailed air brake information can be<br />
found in the Alberta Air Brake Manual.<br />
This Manual will be given <strong>to</strong> you when you<br />
complete the Alberta Air Brake Program<br />
at a licensed driving school or certified<br />
40 A <strong>Commercial</strong> Driver’s Guide <strong>to</strong> Operation, Safety <strong>and</strong> Licensing
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