Missouri Class E License Exam Chapter 15

Questions and Answers

What is the maximum height of any vehicle outside of a commercial zone on designated highways plus 10 miles therefrom?

14'

What is the maximum height of any vehicle in a commercial zone?

15'

What is the maximum height on all other highways?

13.5'

What is the maximum width allowed on any vehicle?

8.5' Signup and view all the answers

Commercial zones exist only in cities with a population of how many?

75,000 or more Signup and view all the answers

The commercial zone is _ mile(s) beyond the city limits plus one mile for every __ resident(s) or portion thereof.

1 mile, 50,000 residents Signup and view all the answers

How many miles does the commercial zone for St. Louis City extend beyond the city limits?

18 miles Signup and view all the answers

How many miles does the commercial zone for Kansas City extend beyond the city limits?

12 miles Signup and view all the answers

The commercial zones for Springfield, St. Joseph, and Columbia extend only how many miles beyond the city limits?

2 miles Signup and view all the answers

The commercial zone on interstate highways extends only how many miles beyond the city limits?

2 miles Signup and view all the answers

What is the maximum length of any single vehicle?

45' Signup and view all the answers

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

45' Signup and view all the answers

What is the maximum length of truck-tractor and semi-trailer upon interstates and certain designated highways?

53' Signup and view all the answers

What is the maximum length of truck-tractor and semi-trailer upon all other roads?

60' Signup and view all the answers

What is the maximum length of truck-tractor, semi-trailer, and trailer combinations upon interstates and certain designated highways?

28' Signup and view all the answers

What is the maximum length of truck-trailer, semi-trailer, and trailer combinations upon all other roads?

65' Signup and view all the answers

What is the maximum length of truck and trailer(s) and all other combination vehicles upon interstates and certain primary highways?

65' Signup and view all the answers

What is the maximum length of truck and trailer(s) and all other combination vehicles upon all other roads?

55' Signup and view all the answers

What is the maximum length of automobile transporters and boat transporters - conventional 5th wheel and stinger-steered?

75' (for combination unit plus 3' front to 4' rear overhang) Signup and view all the answers

What is the maximum length of Driveaway Saddle Mount Combinations (double or triple on interstate and designated highways)?

97' Signup and view all the answers

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

3' beyond the front and 4' beyond the rear Signup and view all the answers

What are the exemptions from size limits?

<ol> <li>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.</li> </ol> Signup and view all the answers

What is the maximum weight on any single axle allowed on interstates?

20,000 pounds Signup and view all the answers

What is the maximum weight on any single axle allowed in a commercial zone?

22,400 pounds Signup and view all the answers

What is the maximum weight on any single axle allowed on all other routes?

22,000 pounds Signup and view all the answers

What is the maximum weight on any tandem axle allowed on interstates?

34,000 pounds Signup and view all the answers

What is the maximum weight on any tandem axle allowed on all other routes?

36,000 pounds Signup and view all the answers

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

the first axle to the last axle Signup and view all the answers

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

22,400 pounds Signup and view all the answers

What is the maximum gross weight allowed on interstates, primary and other designated highways?

80,000 pounds Signup and view all the answers

Where do you apply for an over-dimension and overweight permit?

Missouri Department of Transportation, Motor Carrier Services Unit Signup and view all the answers

To receive an oversize or overweight permit...

<ol> <li>the load on your vehicle must be non-reducible</li> </ol> Signup and view all the answers

Study Notes

Maximum Dimensions for Vehicles

Maximum vehicle height outside commercial zones on designated highways: 14'.
Maximum vehicle height within commercial zones: 15'.
Maximum vehicle height on all other highways: 13.5'.
Maximum vehicle width for any vehicle: 8.5'.

Commercial Zone Information

Commercial zones exist in cities with a population of 75,000 or more.
The commercial zone extends 1 mile beyond city limits plus 1 mile for every 50,000 residents.
St. Louis City's commercial zone extends 18 miles beyond city limits.
Kansas City's commercial zone extends 12 miles, including Harrisonville.
Commercial zones for Springfield, St. Joseph, and Columbia extend 2 miles beyond city limits.
Commercial zones on interstate highways extend 2 miles beyond city limits.

Vehicle Length Regulations

Maximum length of any single vehicle: 45'.
Maximum length of buses or trackless trolley coaches (excluding bumper): 45'.
Maximum length for truck-tractor and semi-trailer on interstates: 53'.
Maximum length for truck-tractor and semi-trailer on all other roads: 60'.
Double bottoms (truck-tractor, semi-trailer, trailer combinations) on interstates: 28'.
Double bottoms on other roads: 65'.
Length of truck and trailer combinations on interstates and primary highways: 65'.
Length of truck and trailer combinations on other roads: 55'.
Maximum length for automobile transporters and boat transporters: 75'.
Maximum length for Driveaway Saddle Mount combinations on designated highways: 97'.

Load Extension and Exemptions

Motor vehicle carriers can extend loads 3' beyond the front and 4' beyond the rear.
Exemptions from size limits include:
- Farm machinery driven occasionally for short distances.
- Vehicles temporarily transporting farm machinery.
- Dealers delivering or moving farm machinery for repair.
- Vehicles transporting road-making machines or materials.
- Vehicles towing disabled vehicles for highway repair.

Weight Regulations

Maximum weight on single axles on interstates: 20,000 pounds.
Maximum weight on single axles in commercial zones: 22,400 pounds.
Maximum weight on single axles on all other routes: 22,000 pounds.
Maximum weight on tandem axles on interstates: 34,000 pounds.
Maximum weight on tandem axles on other routes: 36,000 pounds.
Actual gross weight depends on the distance from the first axle to the last axle.
Maximum gross weight in a commercial zone: 22,400 pounds multiplied by number of axles.
Maximum gross weight on interstates and designated highways: 80,000 pounds.

Permits and Applications

Overdimension and overweight permits can be applied for at the Missouri Department of Transportation, Motor Carrier Services Unit.

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Description

Test your knowledge of commercial vehicle regulations in Missouri through engaging flashcards. This quiz focuses on the maximum dimensions for vehicles on designated highways and in commercial zones. Perfect for those preparing for their Class E license exam.