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MISSOURI LICENSE CLASS E EXAM 2025/2026 LATEST QUESTIONS AND ANSWERS GRADED A+ Max length of any bus or trackless trolley coach, not including one foot in front and back for safety bumper? 45' Max length of truck track for and semi-trailer? Upon interstate and certain designated highways the length of semi-trailer ( no overall max length , includes load ) is 53'. Upon all other roads 60'. Max length of truck-tractor, semi-trailer and trailer combinations (double bottoms) Upon interstates and certain designated highways the length semi-trailer and trailer ( no overall max length ) 28'. Upon all other roads 65'. Max length of truck and trailer and all other combinations of vehicles is?
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Max length of any bus or trackless trolley coach, not including one foot in front and back for safety bumper?
45'
Max length of truck track for and semi-trailer?
Upon interstate and certain designated highways the length of semi-trailer ( no overall max length , includes load ) is 53'.
Upon all other roads 60'.
Max length of truck-tractor, semi-trailer and trailer combinations (double bottoms)
Upon interstates and certain designated highways the length semi-trailer and trailer ( no overall max length ) 28'.
Upon all other roads 65'.
Max length of truck and trailer and all other combinations of vehicles is?
Upon interstates and certain primary highways -65'.
The overall max length upon all other roads -55'
Max length of automobile trans porter and boat transporters?
Conventional 5th wheel -75'
Stingersteered-75'
For combination unit 3 front to 4 rear overhang.
Max length of driveway saddle mount combinations( double or triple on interstate and designated highways )?
97'
Can motor vehicle carriers carry loads that extend beyond their legal length limits?
Yes but loads must not extend more than 3' beyond the front or 4' beyond the rear of the vehicle.
Exempt from size limits
1-Farm machinery driven occasionally for short distances.
2- vehicles temporarily transporting farm machinery.
Max height of any vehicle outside of a commercial zone on designated highways plus 10 miles therefrom?
14'
Max height of any vehicle in commercial zone?
15'
Max height on all other highways?
13 1/2'
Max with of any vehicle?
81/2'
Commercial zones exist only in cities with a population of?
75000 or more
The commercial zone is?
One mile beyond the city limits plus one mile for every 50,000 residents or portion thereof.
St. Louis commercial zone extends?
18 miles beyond the city limits
KC commercial zone extends?
12 miles beyond city limits and includes Harrisonville.
Springfield, St. Joseph , Columbia commercial zones extend?
2 miles beyond city limits
Interstate highways commercial zones extend?
2 miles beyond city limits
Federal motor carrier safety regulations
Missouri has adopted as state law parts 390 through 397 of the federal motor carrier safety regulations. Drivers and vehicles operating solely on interstate must obey these regulations except:
1-Commercial vehicles with GVWR or GCWR of 26,00 lbs.or less than 26, GVWR unless transporting hazardous materials or passengers.
2-commercial vehicles licensed for gross weight of 60,000 pounds or less when used only for the transportation of solid waste.
3-commercial vehicles licensed for 42,000 pounds or less for farm use and indicated by the letter F on the license plate as authorized by Missouri revised statutes, section 301.030 unless transporting hazardous materials except fretalizer.
If you're transporting hazardous material your vehicle must comply with?
The equipment and operating regulations of the United States department of transportation.
When operating wholly within the state, Missouri law does not require emergency equipment for
Vehicles licensed for 42,000 pounds or less with an F plate,
Solid waste haulers licensed for 60,000 pounds or less,
Commercial vehicles licensed for 12,000 pounds or less.
Any other commercial motor vehicle used for intra or interstate commerce that is licensed for more than 12,000 pounds must carry the following emergency equipment:
One fire extinguisher. The extinguisher must be rated at 5 B:C or more by underwriters laboratories inc.
One spare fuse or other overload protective device for each kind and size used, if the divers are not of a reset type.
Any other commercial motor vehicle used for intra or interstate commerce that is licensed for more than 12,000 pounds must carry one of the following combination of warning defies:
1-Three flares ( liquid burning pot torches) and three fuses and two red flags. This combination must not be carried by vehicles transporting explosive or flammable material or using flammable compressed gas as a motor fuel.
2- three red electric lanterns and two red flags.
3-three bi-directional emergency red reflective triangles.
What info must be visible on commercial vehicles?
Owner name, address of vehicle operation HQ, number issued to motor carrier by modot.
Your vehicle does not need to show the above info if?
The rear wheels take a shorter path than front wheels when turning.
To compensate for off-tracking , you must?
Begin a turn as far to the opposite side that you're traveling to in order to compensate.
All commercial vehicles must stop at weight stations except?
Licensed for 18,000 lbs or less or exempt by law, unless directed by a piece officer.
You should always make sure you have enough space over your vehicle. What should you not assume and check?
Do not assume posted signs are correct , check wires , signs, tress , and air conditioning units.
Make sure Tom the surface can hold the weight of your vehicle. Be wary of?
Parking lots, in paved roads or parking areas, especially when wet, construction areas.
Space to cross or enter traffic
Acceleration is carried by vehicle weight. Time to cross is also affected by length.
In a long and heavy vehicle you will need?
A larger gap to cross the road than you would in a car.
To avoid crash with tailgater, you should?
Slow down, avoid sudden turns or stops and signals in advance, increase distance between vehicles.
Do not flash what at tailgaters?
Taillights, or brake lights, the tailgater may not believe your brake lights when you do slow down or stop.
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
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 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.
80,000 lbs of maximum gross weight is allowed on all highways in Missouri except where?
Where bridge structures are posted with lesser weight limits.
Max gross weight allowed on interstates, primary and other designated highways
80,000 lbs
Missouri has adopted as state law Parts 390 through 397 of the Federal Motor Carrier Safety Regulations. This means that drivers and vehicles operating solely intrastate must obey those regulations except for the following exemptions:
Commercial vehicles with a GVWR or GCWR of 26,000 lbs or less than 26, GVWR unless transporting hazardous materials or passengers.
Commercial vehicles licensed for gross weight of 60,000 lbs or less when used only for the transportation of solid waste.
Commercial vehicles licensed for 42,000 lbs or less for farm use and indicated by the letter "F" on the license plate as authorized by Missouri Revised Statutes, Section 301.030 unless transporting hazardous materials except fertilizer.
The address the vehicle is operated from and the number issued to a motor carrier by the Motor Carrier Services
Every local commercial vehicle must also show the word "Local" For-hire carriers must display their USDOT number followed by the letters "MO"
Your vehicle does not need to show the above information if:
It is licensed for 36,000 lbs or less
It is not regularly used for commercial purposes.
If you are driving a bus or truck, you must not follow another bus or truck any closer than...
300 feet
If you are driving a bus or truck, you may follow closer than the normal limit when you are...
In a business or residential district or when passing
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
If you are driving a 1) motor vehicle carrying passengers for hire, 2) school bus, 3) motor vehicle carrying material that is corrosive, flammable, explosive, or poisonous, OR 4) motor vehicle used for the transportation of flammable or corrosive liquids in bulk, whether loaded or empty
THEN, you must stop within BLANK to BLANK feet before the railroad tracks. If there is no sign of a train, you may cross the tracks.
15 to 50
What is Off-Tracking?
When a vehicle turns, the rear wheels take a shorter path than the front wheels. The greater the distance between the front and rear wheels, the greater the difference in their paths.
How do you compensate for off-tracking?
Begin a left turn as far to the right as possible, and begin a right turn as far to the left as possible.