Missouri Commercial Vehicle Regulations
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Questions and Answers

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

  • 15' 0"
  • 13' 6" (correct)
  • 14' 6"
  • 14' 0"

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

  • 15' 0" (correct)
  • 14' 6"
  • 13' 6"
  • 14' 0"

    • How many miles does the commercial zone extend beyond the city limits for Springfield, St. Joseph, and Columbia?

  • 5 miles
  • 1 mile (correct)
  • 2 miles
  • 3 miles

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

    <p>53' 0&quot; (B)</p> 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 designated highways?

    <p>65' 0&quot; (A)</p> 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?

    <p>60' 0&quot; (A)</p> Signup and view all the answers

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

    <p>85' 0&quot; (B)</p> Signup and view all the answers

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

    <p>75' 0&quot; (D)</p> Signup and view all the answers

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

    <p>22,400 pounds (C)</p> Signup and view all the answers

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

    <p>80,000 pounds (C)</p> Signup and view all the answers

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

    <p>36,000 pounds (A)</p> Signup and view all the answers

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

    <p>22,400 pounds (A)</p> Signup and view all the answers

    Which of the following vehicles qualify for the higher weight limits allowed in a commercial zone?

    <p>Vehicles temporarily transporting road-making machines or road materials (A), Vehicles delivering or moving farm machinery for repair (B), Vehicles temporarily transporting farm machinery (D)</p> Signup and view all the answers

    You need to apply for an over-dimension and overweight permit. Where should you apply?

    <p>The Missouri Department of Transportation, Motor Carrier Services Unit (C)</p> Signup and view all the answers

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

    <p>20,000 pounds (B)</p> Signup and view all the answers

    The actual gross weight allowed depends on the distance from ________ to ________.

    <p>The first axle to the last axle (B)</p> Signup and view all the answers

    Study Notes

    Missouri Commercial Vehicle Regulations

    • Maximum Vehicle Height:
      • Outside commercial zones on designated highways and 10 miles beyond: Maximum height varies, details not provided.
      • Within commercial zones: Maximum height varies, details not provided.
      • Commercial zones exist in cities with 75,000 or more residents.
    • Commercial Zone Extent:
      • Commercial zones extend one mile beyond city limits, plus one mile for every 50,000 residents or portion thereof.
      • Specific examples for St. Louis, Kansas City, Springfield, St. Joseph, and Columbia are not stated.
      • Interstate commercial zones extend a set number of miles beyond city limits (a figure is not provided).
    • Maximum Vehicle Lengths:
      • Buses and Trackless Trolley Coaches: Maximum length is unspecified, subtracting one foot from front and back for safety bumpers.
      • Truck-Tractors and Semi-Trailers:
        • On interstates and certain designated highways: Maximum length is unspecified.
        • On all other roads: Maximum length is unspecified.
        • Combination lengths for truck-tractors, semi-trailers, and trailers have maximum lengths on interstates and other roads (values not specified).
      • Automobile and Boat Transporters (conventional 5th wheel and stinger-steer): Maximum length is 75 feet, plus 3 feet of front and 4 feet of rear overhang.
      • Driveaway Saddle Mount Combinations (double or triple): Maximum length is unspecified on interstates and other highways (values not specified).
    • Load Extensions:
      • Excess load permitted to be up to 3 feet beyond front and 4 feet beyond the rear.
    • Maximum Axle Weights:
      • Single Axles:
        • On interstates: 20,000 pounds.
        • In commercial zones: 22,400 pounds.
        • On all other routes: 22,000 pounds.
      • Tandem Axles:
        • On interstates: 34,000 pounds.
        • On all other routes: 36,000 pounds.
    • Gross Weight Calculations:
      • Maximum gross weight depends on the distance between the first to the last axle.
      • In commercial zones, multiply the number of axles by 22,400 pounds.
      • Maximum gross weight permitted on interstates, primary and other designated highways is 80,000 pounds.
    • Permits:
      • Over-dimension and overweight permits are obtained from the Missouri Department of Transportation, Motor Carrier Services Unit.
    • Load Requirements:
      • Loads must be non-reducible for permitting.
    • Exemptions:
      • Farm machinery, vehicles transporting farm machinery, dealers delivering or moving farm equipment, and vehicles transporting road materials and disabled vehicles are exempted from certain regulations.

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    Description

    Test your knowledge on the regulations governing commercial vehicle heights and lengths in Missouri. This quiz covers key aspects such as maximum heights within and outside commercial zones, as well as the extent of these zones. Perfect for drivers and logistics professionals alike!

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