Kentucky Road Signs Practice study materials
Kentucky Road Signs Practice study resources

Hazard Lights at the Crossbuck, Then Red Lights Past the Tracks

Kentucky Road Signs Practice · Put your knowledge to work in context.

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Hazard Lights at the Crossbuck, Then Red Lights Past the Tracks

You are driving south on a two-lane county road in Bourbon County at 7:05 a.m. Ahead, a school bus has stopped about 40 feet before a passive railroad crossing. The bus's hazard lights are flashing and its amber lights are on; there are no red lights and no stop arm, and the door is closed while the driver looks both ways. A yellow round advance-warning sign for the crossing stands a few hundred feet back, and the crossing itself carries a crossbuck and a '1 TRACK' plaque. After crossing, the bus pulls onto the right shoulder 200 feet beyond the tracks, opens the door, and the red lights begin flashing with the stop arm extended. A pickup behind you has already begun edging into the oncoming lane to get around you.

1. What did the bus's first stop at the crossing require of you, and what does a crossbuck alone legally mean?

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The first stop was the bus driver's own required railroad-crossing stop, signaled with hazard flashers - not a signal directed at you. No red lights, no stop arm, door closed. You are not required to stop because a school bus ahead of you is stopped at tracks, and you should not treat hazard flashers as a stop order. You are required to be cautious and to be able to stop: the bus may roll back slightly on the grade, and the driver may open the door.

The crossbuck is a yield sign in effect. It means the railroad has priority and you must yield to any approaching train; it does not by itself require a full stop the way a red octagon does. A full stop is required at a crossbuck crossing only when a STOP sign is also posted, when a stop line is painted, or when a train, a signal, or a flagger requires it.

The '1 TRACK' plaque tells you how many tracks to clear - here, one. After the bus clears, verify the track is clear in both directions, then cross without stopping on the rails. Do not assume that a single plaque guarantees no second movement; look, and cross decisively rather than creeping.

2. What does the second stop require, and exactly when may you proceed?

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The second stop is the one directed at you. Flashing red lights plus an extended stop arm mean school children are loading or unloading, and on a two-lane road traffic in both directions must stop. You stop before reaching the bus - far enough back that children crossing in front of it have a clear path and you are not in their route - and remain stopped.

When you may proceed:

  • When the red lights stop flashing and the stop arm retracts, or the bus begins to move. The reliable cue is the red lights going out, because the arm and the lights are not always perfectly synchronized.
  • Not while the ambers are still on and the reds have not yet activated.
  • Not because a child appears to be on the sidewalk, and not because the driver waves you past. The driver is watching the children, not your lane.

Continue to scan after the lights stop: a child who has crossed in front of the bus may still be moving along the shoulder, and children are the one hazard that a light sequence cannot fully account for. Remain stopped until you are certain the roadway ahead, including the shoulder, is clear.

3. The pickup behind you is passing into the oncoming lane. What do you do, and would your obligation differ on a four-lane divided highway?

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You stay stopped. The other driver's illegal choice does not transfer to you, and pulling forward because they are moving would put you in the path of a vehicle that may swerve back once it sees the bus's stop arm. Hold your position, leave the gap in front of you intact, brake lights on, and let them resolve their own error. If you can do so safely, note the plate and report it; do not chase or gesture. A crash caused by their pass would very likely involve a child.

On a divided highway of four or more lanes, the rule changes for opposing traffic: vehicles traveling the opposite direction are generally not required to stop for a school bus, because the median separates them from the loading zone. Traffic in the same direction as the bus must always stop. That exception would not help this pickup - it is behind you, traveling the same direction as the bus, so it is squarely within the stop requirement. The median exception turns on direction and physical separation, not on how many lanes happen to be open at that moment.