Information / Crucial Questions
with 100% Correct Verified
Solutions. Updated 2025/2026!!!
What is the maximum length of any single vehicle? - ANSWER ✓ 45'
What is the maximum length of any bus or trackless trolley coach not including
one foot in front and back for safety bumper? - ANSWER ✓ 45'
What is the maximum length of truck-tractor and semi-trailer upon interstates
and certain designated highways the length of the semi-trailer (no overall
maximum length, includes load) - ANSWER ✓ 53'
What is the maximum length of truck-tractor and semi-trailer on all other roads
(besides interstates and certain designated highways)? - ANSWER ✓ 60'
What is the maximum length of truck-tractor, semi-trailer, and trailer
combinations (double bottoms) upon interstates and certain designated highways
the length of the semi-trailer or trailer (no overall maximum length)? - ANSWER ✓
28'
What is the maximum length of truck-tractor, semi-trailer, and trailer
combinations (double bottoms) upon all other roads (besides interstates and
certain designated highways)? - ANSWER ✓ 65'
What is the maximum length of truck and trailer(s) and all other combinations of
vehicles upon interstates and certain primary highways? - ANSWER ✓ 65'
, What is the maximum length of truck and trailer(s) and all other combinations of
vehicles upon all other roads (besides interstates and certain primary highways)? -
ANSWER ✓ 55'
What is the maximum weight on any single axle allowed on interstates? -
ANSWER ✓ 20,000 lbs
What is the maximum weight on any single axle allowed in a commercial zone? -
ANSWER ✓ 22,400 lbs
What is the maximum weight on any single axle allowed on all other routes
(besides interstates and commercial zones)? - ANSWER ✓ 22,000 lbs
What is the maximum weight on any tandem axle allowed on interstates? -
ANSWER ✓ 34,000 lbs
What is the maximum weight on any tandem axle allowed on all other routes
(besides interstates)? - ANSWER ✓ 36,000 lbs
The actual gross weight allowed depends on the distance from the first to last
axle. To determine the maximum gross weight allowed in a commercial zone,
multiply the number of axles by how many pounds? - ANSWER ✓ 22,400 lbs
The maximum gross weight allowed on all highways in Missouri is how many
pounds, except where bridge structures are posted with lesser weight limits? -
ANSWER ✓ 80,000 lbs
When operating wholly within the state, Missouri law does not require
emergency equipment for: - ANSWER ✓ Commercial vehicles licensed for 12,000
pounds or less.
Any other commercial motor vehicle used for intrastate or interstate commerce
that is licensed for more than 12,000 pounds must carry the following emergency
equipment: - ANSWER ✓ 1 fire extinguisher, 1 spare fuse or other overload
protective device for each kind and size used, 3 flares, 3 fuses, and 2 red flags.