Missouri Class E License Exam (chapter 15 - commercial vehicles)

Maximum height of any vehicle outside of a commercial zone on designated highways plus 10 miles thereform

14'

Maximum height of any vehicle in a commercial zone

15'

Maximum height on all other highways

13.5'

Maximum width on any vehicle

8.5'

Commercial zones exist only in cities with a population of

75,000 or more

The commercial zone is _____ mille(s) beyond the city limits plus one mile for every _______ residents or portion thereof

1 mile, 50,000 residents

The commercial zone for St. Louis City extends ______miles beyond the city limits

18 miles

The commercial zone for Kansas City extends _______ miles beyond the city limits and includes the city of Harrisonville

12 miles

The commercial zones for Springfield, St. Joseph, and Columbia extends only _______ miles beyond the city limits

2 miles

The commercial zone on interstate highways extends only ______ miles beyond the city limits

2 miles

Maximum length of any single vehicle

45'

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

45'

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'

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

60'

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 weight)

28'

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

65'

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

65'

Maximum length of truck and trailer(s) and all other combination vehicles the overall maximum length upon all other roads

55'

Maximum length of automobile transporters and boat transporters - conventional 5th wheel and stingersteered

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

Maximum length of Driveaway Saddle Mount Combinations (double or triple on interstate and designated highways)

97'

Motor vehicle carriers may carry loads that extend beyond their legal length limits by

3' beyond the front and 4' beyond the rear

Exemptions from size limits

1. 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

Maximum weight on any single axle allowed on interstates

20,000 pounds

Maximum weight on any single axle allowed in a commercial zone

22,400 pounds

Maximum weight on any single axle allowed on all other routes

22,000 pounds

Maximum weight on any tandem axle allowed on interstates

34,000 pounds

Maximum weight on any tandem axle allowed on all other routes

36,000 pounds

Actual gross weight allowed depends on the distance from _______ to _______.

the first axel to the last axle

To determine the maximum gross weight allowed in a commercial zone, multiply the number of axels by

22,400 pounds

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

80,000 pounds

Where do you apply for an overdimension and overweight permit?

Missouri Department of Transportation, Motor Carrier Services Unit

To receive an oversize or overweight permit...

1. the load on your vehicle must be non-reducible

2. you must have property damage and bodily injury liability insurance

3. you must pay a permit fee

What is a vehicle route map and where do you get one?

Shows the routes on which the larger and heavier trucks are allowed to travel as specified by state statute - MODOT, Motor carrier services

Operating within the state, Missouri law does not require emergency equipment for:

1. vehicles licensed for 42,000 pounds or less with an "F" plate

2. solid waste haulers licensed for 60,000 pounds or less

3. commercial vehicles licensed for 12,000 pounds or less

Commercial motor vehicle used for intra or interstate commerce that is licensed for more than 12,000 pounds must carry what emergency equipment?

1. one fire extinguisher (rated at 5 B:C or more)

2. one spare fuse or other overload protective device for each kind and size used, if the devices are not of a reset type.

3. one of the following combinations of warning devices:

(a). 3 flares and 3 fuses and 2 red flags

(b). 3 red electric lanterns and 2 red flags

(c). 3 bi-directional emergency red reflective triangles

What information must be clearly visible on commercial motor vehicles if it licensed for more than 36,000 pounds and is regularly used for commercial purposes?

1. name of the owner

2. address the vehicle is operated from and the number issued to a motor carrier by the Motor Carrier Services

3. the word "local" displayed on every local commercial vehicle. For-hire carriers must display their USDOT number followed by the letters "MO"

How far should you follow another bus or truck when you are driving a bus or truck?

300 feet

When can you follow closer than 300 feet?

business or residential district or when passing

For each ______ feet of length in your vehicle, keep at least ______ second(s) between you and the vehicle in front of you.

10 feet, 1 second

How far must you stop from a railroad track if you are driving a motor vehicle carrying passengers for hire, school bus, motor vehicle carrying material that is corrosive, flammable, explosive, or poisonous, or motor vehicle used for the transportation of flammable or corrosive liquids in bulk, whether loaded or empty?

15 to 50 feet

All commercial motor vehicles must stop at weight stations except?

Those licensed for 18,000 pounds or less or otherwise exempted by law, unless directed by a peace officer

To avoid a crash with a tailgater, you should?

1. slow down

2. avoid any sudden turns or stops and signal well in advance

3. increase the distance between you and the vehicle in front of you

4. do not flash your taillights or brake lights at the tailgater

To make sure the surface will hold the weight of your vehicle, be wary of?

1. parking lots

2. unpaved roads, or parking areas, especially when wet

3. construction areas

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