Missouri CDL: Passenger Vehicles Practice Test

Not quite. The answer is in front of the standee line.

Buses that allow passengers to stand must have some way to show passengers that they must stand behind the driver. This can be a two-inch-wide line (called the standee line) on the floor behind the driver's seat.

Not quite. The answer is safe for cars in good weather.

Each curve has a safe "design speed," which is its safe speed for cars in good weather. However, at that speed, a bus is more prone to rolling over. And it may not be safe for any vehicles to travel at that speed in bad weather. In particular, a bus could go sliding right off the road. For safety on curves, slow down below the posted speed. If your bus is leaning outward on a banked curve, you are driving too fast.

Not quite. The answer is While crossing, don't shift gears if your bus has a manual transmission.

You must stop at every railroad crossing except those marked "exempt" or "abandoned." If your bus has a manual transmission, do not shift gears while crossing a raised railroad crossing. Shifting gears on a raised railroad crossing increases the chance that your vehicle will stall and get stuck on the tracks.

Not quite. The answer is flash your brake lights to let the drivers behind you know that you are stopping.

You may have to stop on the roadway to load or unload passengers. In such situations, warn following drivers by flashing your brake lights. Do not stop suddenly.

Not quite. The answer is 50 feet

At drawbridges without a traffic attendant or light signal, you must stop at least 50 feet before the draw of the bridge. If there is a green light or a traffic attendant present, you don't have to stop, but you must slow down and make sure that the drawbridge is closed and safe to drive on before you proceed across it.

Not quite. The answer is A line on the floor that all passengers must stay behind

Buses that allow passengers to stand must have some way to show passengers that they must stand behind the driver. This can be a two-inch-wide line (called the standee line) on the floor behind the driver's seat.

Not quite. The answer is all of the above.

During your pre-trip inspection, check the interior of the bus to confirm that all handholds and railings are secure, all emergency exits are accessible and marked, and all signaling devices are working properly. This includes the restroom emergency buzzer if the bus is equipped with a restroom.

Not quite. The answer is in the aisles.

Carry-on baggage must not be left in doorways or aisles because someone could trip over it or it could block the way to an emergency exit. Carry-on luggage must be stowed so it can't restrict the driver's movements or injure passengers if it falls or shifts.

Not quite. The answer is scan the interior of your bus and the road all around it.

Many charter and intercity carriers have passenger comfort and safety rules. While driving, scan the interior of your bus as well as the road ahead, to the sides, and to the rear. You may have to remind riders about the rules, or remind them to keep their arms and heads inside the bus.

Not quite. The answer is The driver must engage in a conversation with the riders while driving.

Avoid fueling your bus with riders on board unless it is absolutely necessary. Never refuel in a closed building with riders on board. Don’t talk with riders, or engage in any other distracting activity, while driving.

Not quite. The answer is only when the bus is stopped.

Once you start to drive, give your driving your undivided attention. Adjust your mirrors, seat, radio, etc., before you start driving or when the bus is stopped.

Not quite. The answer is At the end of your shift

If you work for an interstate carrier, you must complete a post-trip vehicle inspection report for each vehicle you drove during your shift. Note any safety-related problems that you found while driving the vehicle and repairs that you believe are needed. The inspection report will let the next driver know if there are safety-related problems. It will also let the carrier know if safety-related repairs are needed. Federal regulations require an inspection report be completed by the end of the day's use of the vehicle. Effective September 2020, federal regulations no longer require you to submit an inspection report if you found no defects in the vehicle and know of no defects in the vehicle.

Source: 49 CFR 396.11

Not quite. The answer is slow down and make sure it's safe to proceed.

You don't have to stop at a drawbridge if you have a green light or there is an attendant or traffic officer present. However, you should still slow down and make sure that the drawbridge is closed and safe to drive on before you proceed across it. The Rio Vista Bridge shown in the image is a vertical-lift bridge that crosses the Sacramento River along California State Route 12.

Not quite. The answer is it must be closed whenever the bus is in motion.

Emergency exits must be closed whenever the bus is in motion. If an emergency exit has a red emergency exit light, it should be turned on whenever conditions require you to turn on your headlights.

Not quite. The answer is Never

Never drive with an open emergency exit door or window. Keep it closed for your passengers' safety.

Not quite. The answer is It depends on the state.

There is no national requirement for coach buses to stop at permanent weigh station locations. Instead, each state can set its own rules. As of March 2021, there are 24 states in which coach buses must stop at weigh stations, at least under certain circumstances.

Source: Commercial Vehicle Safety Alliance, March 2021

Not quite. The answer is must never be left in a doorway or aisle.

Carry-on baggage must not be left in doorways or aisles because someone could trip over it or it could block the way to an emergency exit.

Not quite. The answer is not allow the rider to do it.

Buses are allowed to carry small amounts (up to a total of 500 pounds) of certain hazardous materials. But not battery acid or gasoline.

Not quite. The answer is 15

Under Missouri law, every school bus and every motor vehicle transporting passengers for hire must stop between 15 and 50 feet from the nearest rail at a railroad crossing.

Source: RSMo § 304.030

Not quite. The answer is 3 seconds

The formula for following distance is one second for every ten feet of vehicle length, plus an extra second if you are traveling over 40 mph. Therefore, for a 30-foot vehicle, you should leave a following distance of at least 30/10 = 3 seconds. Add an extra second (for a total of 4 seconds) if you're traveling over 40 mph.