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Commercial driver’s license (CDL) knowledge tests · California DMV

Railroad-highway crossings

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Questions and answers

  1. What is a passive railroad-highway crossing?

    One that does not have any type of traffic control device

    A passive crossing has no traffic control device of any kind.

    Section 10 · 10.4.1 – Types of Crossings ↗
  2. At a passive crossing, who decides whether it is safe to proceed?

    You, the driver, entirely

    You must stop and follow procedures, and the decision to proceed rests entirely in your hands.

    Section 10 · 10.4.1 – Types of Crossings ↗
  3. What helps you recognize a passive crossing?

    Yellow circular advance warning signs, pavement markings, and crossbucks

    Passive crossings are marked by yellow circular advance warning signs, pavement markings, and crossbucks.

    Section 10 · 10.4.1 – Types of Crossings ↗
  4. What is an active railroad-highway crossing?

    One with a traffic control device installed to regulate traffic at the crossing

    An active crossing has a device such as flashing red lights, with or without bells, or lights with bells and gates.

    Section 10 · 10.4.1 – Types of Crossings ↗
  5. What does the advance warning sign for a railroad crossing look like?

    Round, black on yellow

    The advance warning sign is round with black markings on a yellow background.

    Section 10 · 10.4.2 – Warning Signs and Devices ↗
  6. What does the advance warning sign tell you to do?

    Slow down, look and listen for the train, and be prepared to stop at the tracks

    It tells you to slow down, look and listen, and be ready to stop if a train is coming.

    Section 10 · 10.4.2 – Warning Signs and Devices ↗
  7. What do the railroad pavement markings consist of?

    An "X" with the letters "RR" and a no-passing marking on 2-lane roads

    Pavement markings mean the same as the advance warning sign. They are an X with RR and a no-passing marking on 2-lane roads.

    Section 10 · 10.4.2 – Warning Signs and Devices ↗
  8. A white stop line is painted before the tracks. Where must the front of the school bus be while stopped?

    Behind the line

    The front of the bus must remain behind the white stop line while stopped at the crossing.

    Section 10 · 10.4.2 – Warning Signs and Devices ↗
  9. What does a crossbuck sign require of you?

    To yield the right-of-way to the train

    The crossbuck marks the crossing and requires you to yield the right-of-way to the train.

    Section 10 · 10.4.2 – Warning Signs and Devices ↗
  10. There is no white line painted at a crossing. Where must you stop the bus?

    Before the crossbuck sign

    With no white line on the pavement, stop the bus before the crossbuck sign.

    Section 10 · 10.4.2 – Warning Signs and Devices ↗
  11. What does a sign below the crossbuck indicate?

    The number of tracks

    When the road crosses more than one set of tracks, a sign below the crossbuck gives the number of tracks.

    Section 10 · 10.4.2 – Warning Signs and Devices ↗
  12. The red lights at a crossing begin to flash. What must you do?

    Stop, because a train is approaching

    When the lights begin to flash you must stop and yield the right-of-way to the train.

    Section 10 · 10.4.2 – Warning Signs and Devices ↗
  13. A crossing has more than 1 track. What do you make sure of before crossing?

    That all tracks are clear

    With more than one track, be sure every track is clear before crossing.

    Section 10 · 10.4.2 – Warning Signs and Devices ↗
  14. At a crossing with gates, when do you stop?

    When the lights begin to flash and before the gate lowers across the road lane

    Stop when the lights begin to flash and before the gate comes down.

    Section 10 · 10.4.2 – Warning Signs and Devices ↗
  15. How long do you remain stopped at a gated crossing?

    Until the gates go up and the lights have stopped flashing

    Stay stopped until the gates are up and the lights are no longer flashing, then proceed when safe.

    Section 10 · 10.4.2 – Warning Signs and Devices ↗
  16. The gate stays down after the train has passed. What do you do?

    Do not drive around the gate, and call your dispatcher

    Never drive around a gate that stays down. Call your dispatcher.

    Section 10 · 10.4.2 – Warning Signs and Devices ↗
  17. In general, at which railroad-highway crossings must school buses stop?

    At all crossings

    In general school buses stop at all crossings, and the driver makes sure it is safe before proceeding.

    Section 10 · 10.4.3 – Recommended Procedures ↗
  18. Why does a school bus have no edge in a collision with a train?

    Because of its size and weight, a train cannot stop quickly and has no escape route

    A train cannot stop quickly and has no emergency escape route, so the bus driver must prevent the collision.

    Section 10 · 10.4.3 – Recommended Procedures ↗
  19. What do you do with speed and brakes as you approach a railroad crossing?

    Slow down, shifting to a lower gear in a manual transmission bus, and test your brakes

    Slow down, downshift in a manual bus, and test the brakes on the approach.

    Section 10 · 10.4.3 – Recommended Procedures ↗
  20. How far before a railroad crossing do you activate the hazard lights?

    Approximately 200 feet

    Turn on the hazard lights about 200 feet before the crossing so your intentions are known.

    Section 10 · 10.4.3 – Recommended Procedures ↗
  21. What should you choose while approaching a railroad crossing?

    An escape route in case of brake failure or problems behind you

    Pick an escape route, scan your surroundings, check traffic behind, and stay to the right if possible.

    Section 10 · 10.4.3 – Recommended Procedures ↗
  22. How close to the nearest rail may a school bus stop at a crossing?

    No closer than 15 feet

    Stop no closer than 15 feet from the nearest rail.

    Section 10 · 10.4.3 – Recommended Procedures ↗
  23. What is the farthest from the nearest rail that a school bus should stop at a crossing?

    50 feet

    Stop no farther than 50 feet from the nearest rail, at the point with the best view of the tracks.

    Section 10 · 10.4.3 – Recommended Procedures ↗
  24. Once stopped at a railroad crossing, what do you do about noise inside the bus?

    Turn off all radios and noisy equipment, and silence the passengers

    Turn off radios and noisy equipment and silence the passengers so you can listen for a train.

    Section 10 · 10.4.3 – Recommended Procedures ↗
  25. What do you open while stopped at a railroad crossing?

    The service door and the driver’s window

    Open the service door and driver’s window, then look and listen for an approaching train.

    Section 10 · 10.4.3 – Recommended Procedures ↗
  26. How do you hold the bus while stopped at a railroad crossing?

    Transmission in Park or Neutral, and press the service brake or set the parking brakes

    Use Park, or Neutral if there is no Park, and press down on the service brake or set the parking brakes.

    Section 10 · 10.4.3 – Recommended Procedures ↗
  27. At a multiple-track crossing, where do you stop?

    Only before the first set of tracks

    Stop only before the first set. When sure no train is coming on any track, cross all the tracks until completely clear.

    Section 10 · 10.4.3 – Recommended Procedures ↗
  28. In what gear do you cross railroad tracks?

    A low gear, without changing gears while crossing

    Cross in a low gear and do not change gears on the tracks.

    Section 10 · 10.4.3 – Recommended Procedures ↗
  29. The gate comes down after you have started across the tracks. What do you do?

    Drive through it, even if it means breaking the gate

    Keep going and drive through the gate, even if it breaks.

    Section 10 · 10.4.3 – Recommended Procedures ↗
  30. What do you check again just before proceeding across the tracks?

    The crossing signals

    Check the crossing signals once more before you proceed.

    Section 10 · 10.4.3 – Recommended Procedures ↗
  31. Your bus stalls or is trapped on the tracks. What do you do?

    Get everyone out and off the tracks immediately

    Get everyone out and off the tracks at once.

    Section 10 · 10.4.4 – Special Situations ↗
  32. After getting off a bus stalled on the tracks, in which direction do you move everyone?

    Far from the bus at an angle, away from the tracks and toward the train

    Move at an angle that is both away from the tracks and toward the train.

    Section 10 · 10.4.4 – Special Situations ↗
  33. A police officer is directing traffic at the crossing. What do you do?

    Obey the officer’s directions

    If a police officer is at the crossing, obey directions.

    Section 10 · 10.4.4 – Special Situations ↗
  34. There is no police officer and you believe the crossing signal is malfunctioning. What do you do?

    Call your dispatcher to report it and ask for instructions

    Report the situation to your dispatcher and ask how to proceed.

    Section 10 · 10.4.4 – Special Situations ↗
  35. Your view down the tracks is obstructed. When may you cross?

    Only when you can see far enough down the track to know for certain no trains are approaching

    Do not try to cross unless you can see far enough to be certain no train is approaching.

    Section 10 · 10.4.4 – Special Situations ↗
  36. Active railroad signals indicate the tracks are clear. What must you still do?

    Look and listen to be sure it is safe to proceed

    Even when active signals show clear tracks, you must look and listen.

    Section 10 · 10.4.4 – Special Situations ↗
  37. How should you plan a route with railroad-highway crossings?

    So that it provides maximum sight distance at the crossings

    Plan the route for the best possible sight distance at railroad-highway crossings.

    Section 10 · 10.4.4 – Special Situations ↗
  38. As a general rule, how much containment or storage area does a school bus need beyond a railroad crossing?

    The length of the bus plus 15 feet

    Add 15 feet to the length of the bus to find an acceptable containment or storage area.

    Section 10 · 10.4.4 – Special Situations ↗
  39. A crossing has a stop sign or signal on the far side. What must you be certain of before starting across?

    That the bus has enough room to completely clear the tracks if it has to stop there

    If it will not fit, do not commit. Be sure there is enough containment area to clear the tracks completely.

    Section 10 · 10.4.4 – Special Situations ↗
  40. What should you know about the crossings on your route and on activity trips?

    The length of your bus and the size of the containment area at each crossing

    Know your bus length and the containment area at crossings on your route and on any activity trip.

    Section 10 · 10.4.4 – Special Situations ↗

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