Four-Way Stop Outside the Elementary School
At 7:52 a.m. you approach a four-way stop beside an elementary school. The school zone sign reads 25 mph from 7:00 to 8:30 a.m. and 2:30 to 4:00 p.m., and the amber flashers are on. A car approaching from your left reaches its stop bar at the same instant you reach yours; both of you intend to continue straight. A second car from your right is already stopped and has been waiting. A crossing guard stands on the far corner with her stop paddle held at her side, not raised. A cyclist in the bike lane on your right is riding straight through the intersection toward you. Traffic behind you is light.
1. In what order do you, the car on your left, and the car on your right proceed? Justify the order.
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Order: car on your right → you → car on your left.
- At a four-way stop the first vehicle to stop goes first. The car on your right was already stopped and waiting, so it has the earliest arrival.
- You and the car on your left stopped at the same moment: the tie-breaker is to yield to the vehicle on your right. Since that car is on your left, you are on its right, so you go first.
This is not a courtesy contest. Waving someone through out of turn creates hesitation and is a common cause of intersection crashes, because the third and fourth drivers are still following the normal rule.
2. You intend to turn right. The cyclist is continuing straight. What do you do?
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Yield and wait. A bicycle in the roadway is a vehicle with the same right to go straight that a car has, and a right-turning driver who passes a cyclist and then cuts across the bike lane commits one of the most common car-bike collisions (the "right hook").
Sequence: signal early, check the mirror and right blind spot, let the cyclist clear the intersection, then complete the turn into the rightmost lane. Do not try to beat the cyclist through because you arrived first - arrival order at the stop sign does not override the duty to yield to a vehicle going straight ahead of you in your turn path.
3. What is the speed limit right now, and does it drop away because the crossing guard is not raising her paddle?
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The limit is 25 mph. The reduced limit is created by the posted school zone sign and its times, and it is in force whenever those times apply and the flashers are operating - it is not switched on and off by the guard's paddle.
Two follow-on points:
- If children are present outside the posted hours, the safe and expected response is still to slow well below the posted limit and be ready to stop.
- School zone speeding carries enhanced penalties, so "keeping up with traffic" is expensive and dangerous. Twenty-five is a ceiling, not a target, when a guard, children, and a cyclist are all in view.