Class D Missouri Drivers License Quiz 2026|
COMPLETE EXAM TEST (questions and
verified answers)
The maximum height of any vehicle outside of a commercial zone on designated
highways - correct answers14 feet
The maximum height of any vehicle in a commercial zone - correct answers15 feet
The maximum height on all other highways - correct answers13 1/2 feet
Maximum width of any vehicle - correct answers8 1/2 feet
Capacity to be a commercial zone - correct answersCommercial zones exist only in
cities with a population of 75,000 or more.
Commercial zone - correct answersThe 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 - correct answersExtends 18 miles beyond the city
limits.
The commercial zone for Kansas City - correct answersExtends 12 miles beyond the
city limits and includes the city of Herrisonville.
The commerical zones for Springfield, St. Joseph, and Columbia - correct
answersExtend only 2 miles beyond the city limits.
Maximum length for any single vehicle - correct answers45 feet
Maximum length for any bus or trackless trolley coach (not including one foot in front
and back for safety bumper) - correct answers45 feet
Maximum length of truck-tractor and semi-trailer upon interstates and certain
designated highways (no overall maximum length, includes load). - correct answers53
feet
Maximum length of truck-tractor and semi-trailer upon all other roads - correct
answers60 feet
Maximum length of truck-tractor, semi-trailer, and trailer combinations (double bottoms)
upon interstates and certain designated highways (no overall maximum length) - correct
answers28 feet
, Maximum length of truck-tractor, semi-trailer, and trailer combinations (double bottoms)
upon all other roads - correct answers65 feet
Maximum length of truck and trailer(s) and all other combinations of vehicles upon
interstates and certain primary highways - correct answers65 feet
Maximum length of truck and trailer(s) and all other combinations of vehicles upon all
other roads - correct answers55 feet
Maximum length of Automobile Transporters and Boat Transporters including
Conventional 5th Wheel and Stingersteered - correct answers75 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) - correct answers97 feet
True or False: 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. - correct answersTrue
Exemptions from size limits (excluding interstate highways) - correct answers1. Farm
machinery driven occasionally for short distances
2. Vehicles temporarily transporting farm machinery.
3. Implement dealers delivering or moving farm machinery for repair.
4. Vehicles temporarily transporting road-making machines or road materials.
5. Vehicles towing disabled vehicles for repair on highways
Weight limitations (without special permit) vs Bridge limits - correct answersA bridge's
weight limit may differ from the road's weight limit. If the bridge has a different weight
limit, the limit will be posted.
Maximum weight on any single axle allowed on interstates - correct answers20,000 lbs
Maximum weight on any single axle allowed in a commercial zone - correct
answers22,400 lbs
Maximum weight on any single axle allowed on all other routes - correct answers22,000
lbs
Maximum weight on any tandem axle allowed on interstates - correct answers34,000
lbs
Maximum weight on any tandem axle allowed on all other routes - correct
answers36,000 lbs
COMPLETE EXAM TEST (questions and
verified answers)
The maximum height of any vehicle outside of a commercial zone on designated
highways - correct answers14 feet
The maximum height of any vehicle in a commercial zone - correct answers15 feet
The maximum height on all other highways - correct answers13 1/2 feet
Maximum width of any vehicle - correct answers8 1/2 feet
Capacity to be a commercial zone - correct answersCommercial zones exist only in
cities with a population of 75,000 or more.
Commercial zone - correct answersThe 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 - correct answersExtends 18 miles beyond the city
limits.
The commercial zone for Kansas City - correct answersExtends 12 miles beyond the
city limits and includes the city of Herrisonville.
The commerical zones for Springfield, St. Joseph, and Columbia - correct
answersExtend only 2 miles beyond the city limits.
Maximum length for any single vehicle - correct answers45 feet
Maximum length for any bus or trackless trolley coach (not including one foot in front
and back for safety bumper) - correct answers45 feet
Maximum length of truck-tractor and semi-trailer upon interstates and certain
designated highways (no overall maximum length, includes load). - correct answers53
feet
Maximum length of truck-tractor and semi-trailer upon all other roads - correct
answers60 feet
Maximum length of truck-tractor, semi-trailer, and trailer combinations (double bottoms)
upon interstates and certain designated highways (no overall maximum length) - correct
answers28 feet
, Maximum length of truck-tractor, semi-trailer, and trailer combinations (double bottoms)
upon all other roads - correct answers65 feet
Maximum length of truck and trailer(s) and all other combinations of vehicles upon
interstates and certain primary highways - correct answers65 feet
Maximum length of truck and trailer(s) and all other combinations of vehicles upon all
other roads - correct answers55 feet
Maximum length of Automobile Transporters and Boat Transporters including
Conventional 5th Wheel and Stingersteered - correct answers75 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) - correct answers97 feet
True or False: 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. - correct answersTrue
Exemptions from size limits (excluding interstate highways) - correct answers1. Farm
machinery driven occasionally for short distances
2. Vehicles temporarily transporting farm machinery.
3. Implement dealers delivering or moving farm machinery for repair.
4. Vehicles temporarily transporting road-making machines or road materials.
5. Vehicles towing disabled vehicles for repair on highways
Weight limitations (without special permit) vs Bridge limits - correct answersA bridge's
weight limit may differ from the road's weight limit. If the bridge has a different weight
limit, the limit will be posted.
Maximum weight on any single axle allowed on interstates - correct answers20,000 lbs
Maximum weight on any single axle allowed in a commercial zone - correct
answers22,400 lbs
Maximum weight on any single axle allowed on all other routes - correct answers22,000
lbs
Maximum weight on any tandem axle allowed on interstates - correct answers34,000
lbs
Maximum weight on any tandem axle allowed on all other routes - correct
answers36,000 lbs
