Missouri Class E Driver's License Information

The maximum height of any vehicle outside of a commercial zone on designated highways plus 10 miles therefrom

14 feet

The maximum height of any vehicle in a commercial zone

15 feet

The maximum height on all other highways

13 1/2 feet

Maximum width of any vehicle

8 1/2 feet

Capacity to be a commercial zone

Commercial zones exist only in cities with a population of 75,000 or more.

Commercial zone

The commercial zone is one mile beyond the city limits, plus one mile for every 50,000 residents or portion thereof, except for a few cities.

The commercial zone for St. Louis

Extends 18 miles beyond the city limits.

The commercial zone for Kansas City

Extends 12 miles beyond the city limits and includes the city of Herrisonville.

The commerical zones for Springfield, St. Joseph, and Columbia

Extend only 2 miles beyond the city limits.

Maximum length for any single vehicle

45 feet

Maximum length for any bus or trackless trolley coach not including one foot in front and back for safety bumper

45 feet

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).

53 feet

Maximum length of truck-tractor and semi-trailer upon all other roads

60 feet

Maximum length of truck-tractor, semi-trailer, and trailer combinations (double bottoms) upon interstates and certain designated highways the length of the semi-trailer (no overall maximum length)

28 feet

Maximum length of truck-tractor, semi-trailer, and trailer combinations (double bottoms) upon all other roads

65 feet

Maximum length of truck and trailer(s) and all other combinations of vehicles upon interstates and certain primary highways

65 feet

Maximum length of truck and trailer(s) and all other combinations of vehicles upon all other roads

55 feet

Maximum length of Automobile Transporters and Boat Transporters including Conventional 5th Wheel and Stingersteered

75 feet (for combination unit plus 3 feet front to 4 feet overhang)

Maximum length of Driveaway Saddle Mount Combinations (Double or Triple on interstate and designated highways)

97 feet

Motor vehicle carriers may carry loads that extend beyond their legal length limits, but loads must not extend more than 3 feet beyond the front or 4 feet beyond the rear of the vehicle.

True

Maximum weight on any single axle allowed on interstates

20,000 lbs

Maximum weight on any single axle allowed in a commercial zone

22,400 lbs

Maximum weight on any single axle allowed on all other routes

22,000 lbs

Maximum weight on any tandem axle allowed on interstates

34,000 lbs

Maximum weight on any tandem axle allowed on all other routes

36,000 lbs

The maximum gross weight allowed depends on the distance from the first to the last axle. How does one determine the max gross weight allowed in a commercial zone?

Multiply the number of axles by 22,400 lbs.

Max gross weight allowed on interstates, primary and other designated highways

80,000 lbs

If you are driving a bus or truck, you must not follow another bus or truck any closer than...

300 feet

For each 10 feet in length in your vehicle, keep at least...

one second between you and the vehicle in front of you.

If you are driving a 40-foot vehicle you keep... between you and the vehicle in front of you.

4 seconds

All commercial motor vehicles must stop at weigh stations except

those licensed for 18,000 lbs or less or otherwise exempted by law, unless directed by a piece officer.