NC CDL School Bus Test study materials
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The Backed-Up Queue at a Two-Track Gated Crossing

NC CDL School Bus Test · Put your knowledge to work in context.

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The Backed-Up Queue at a Two-Track Gated Crossing

Route 3 crosses a four-lane divided highway at a gated, two-track crossing, and every morning at 7:38 you are there with 38 middle-school students aboard. Your bus is 40 feet long. The gates are up and the lights are dark. Beyond the tracks, traffic backed up from a signal 130 feet past the far rail has left only about 25 feet of clear pavement past that rail; the last car in the queue is stopped with its brake lights on. The near track is clear and you can see roughly half a mile up the far track, where a freight train is visible but not yet close. A driver behind you has already honked twice, and in your left mirror you can see him gesturing at the raised gate. Your route sheet shows no exemption for this crossing, and this queue has been happening since the signal timing changed two weeks ago.

1. Do you start across? Explain the decision in terms of what you can and cannot see.

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No. There is roughly 25 feet of clear pavement past the far rail and your bus is 40 feet long before you count clearance; starting across means stopping with your tail sitting on the near rail - the exact position in which buses are struck when a queue does not move and the gates come down.

The rule is a space rule, not a signal rule: do not begin across until the entire bus, plus a margin, has a place to sit beyond the far rail, and that space will not disappear while you are on the tracks. The queue in front of you is controlled by a signal 130 feet away, and you have watched it not move for two weeks.

The honking behind you is irrelevant to this decision. That driver cannot see what you see, carries no responsibility for 38 students, and will not be standing at the crossing when the newspaper arrives. Hold at the stop line, four-ways on, and wait.

2. The gates are up and the lights are dark. Why must you stop at all, and what does the stop itself look like?

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Because a school bus is required to stop at every railroad crossing unless the crossing is officially exempt and posted as such - the raised gate does not exempt you. Gates malfunction, lights fail, and a gate only blocks one direction of one lane.

The stop looks like this: stop with the front bumper no closer than 15 feet and no farther than 50 feet from the nearest rail. Open the service door and the driver's window. Look and listen in both directions - actually put your head out; do not rely on the mirrors for this. Close the door. Then cross without changing gears at any point on the crossing, so your hands stay on the wheel and you never risk a missed shift mid-track.

On a two-track crossing, check the far track again after the near one clears - a second train traveling the opposite direction is a classic fatality. When you commit, you commit decisively: no stopping on the rails for any reason.

3. You wait out the queue, cross, and finish the run. What do you do about the fact that this happens every morning?

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Report it, because the next driver on Route 3 gets the same trap without your warning.

Write it up for transportation with the details that make it actionable: crossing location and DOT number, the time, the direction, how far the signal is past the rail, how much clear space remains beyond the rail, and the fact that the pattern started when signal timing changed two weeks ago. Ask that the district request a timing adjustment so the queue clears the crossing, or that the route be shifted earlier or rerouted.

In the meantime, note on your own route sheet that this crossing requires a full clear-space check before entry. What you must not do is start 'just rolling with the queue' because you are tired of waiting; that is how the one morning the queue stops moving becomes a headline.