Railroad sign · MUTCD W10-1
Railroad Crossing Advance Warning
A railroad crossing is ahead. The round shape is reserved for this advance warning sign.
- Shape
- Round (circle)
- Color
- Yellow background, black X and letters RR
What to do
Slow down, look both ways and listen for a train. Be prepared to stop at the crossing if lights flash, gates lower or a train is approaching. Never stop on the tracks and never start across unless you can clear them completely.
Where you see it
On the right side of the road a few hundred feet before a railroad crossing, often with a painted X and RR on the pavement.
Test trap
This sign warns that the crossing is ahead; it is not posted at the tracks themselves — the white crossbuck does that. Test questions often ask which sign is round: only this one.
Memory tip: Round like a train wheel — railroad ahead.
Practice question
A round yellow sign with a large X and two letters R means:
- Road closed
- Right lane ends
- Railroad crossing ahead
- Rest area ahead
Answer: C. This round sign warns that a railroad crossing is ahead. Slow down, look and listen for trains.
NY Driver's Manual: Road Signs You Must Know