The American Driver
From Drivers...For Drivers
Width
Height
Straight Truck
Semi-Trailer
Full Trailer
Tractor &
Semi-Trailer
Tractor &
Semi-Trailer &
Full Trailer
Tractor & Triples
Other/Specials
102"
13'6"
40'
53'
Not Specified
Not Specified
Not Specified
but each trailer
not to exceed 29'
Not Permitted
 
Steering Axle
(lb.)
Single Axle
(lb.)
Tandem Axle
(lb.)
Gross Vehicle Weight
(lb.)
NS
20,000
34,000
80,000
National Weight & Size Provisions
Width
Height
Semi-Trailer in
Tractor-Semi-Trailer Combo
Full Trailer
Doubles
Single Axle
(lb.)
Tandem Axle
(lb.)
Gross Vehicle Weight
(lb.)
102"
13'6"
53'
Not Specified
Not Specified
but trailers are
limited to 29'
each
20,000
34,000
80,000
State/Provincial Weight & Size Limits