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Bells, lights and cross bars are safety measures on railroad crossings.
stop line school crossings railroad crossings pedestrian crossings
Trains
Railroad crossings
Railroad crossings
2354
Yes they do. Uncontrolled has no gates, and only a X sign for RR crossing. It may (or may not) have lights on a side pole.
Bus
Yes it is.
Cost. They only use the barriers at high-traffic crossings to save money.
No!
3000