Railroad crossing signs
Railroad Crossing (crossbuck) sign
Marks a railroad crossing. Yield to trains; stop if a train is approaching.
What it looks like
White X-shaped sign with black letters on both arms reading RAILROAD CROSSING.
- Federal design code
- MUTCD R15-1
From real handbooks
How permit tests ask about it
39 of our verified questions in 34 states show this sign. A few of them, each from a different handbook where we can:
1.What should you do when you see this sign at a crossing with no lights or gates?
- AStop only if you are driving a bus
- BCross without slowing because there are no gates
- CSpeed up to cross the tracks quickly
- DYield, and look and listen for trains before crossing
Show the answer
✓ D. Yield, and look and listen for trains before crossing
A crossbuck marks a railroad crossing. Yield, look and listen for trains, and do not cross if a train is near enough or fast enough to be a danger.
Source: New York State Driver's Manual (MV-21) (No revision date in extractable text), page 61
2.You see a white X-shaped sign that says RAILROAD CROSSING, and a train is approaching. What must you do?
- ASpeed up to cross before the train
- BStop before the crossing until clear
- CSlow down but keep moving across
- DHonk the horn and then cross
Show the answer
✓ B. Stop before the crossing until clear
The white X-shaped crossbuck sits at the crossing. When a train is coming, stop behind the stop line or before the crossing until it is clear.
Source: Kentucky Driver Manual (Kentucky State Police) (none printed), page 44
3.You see this white X-shaped sign at a railroad crossing. What does it mean?
- AThe tracks are no longer in use
- BAlways stop, even with no train
- CTrains must stop for your car
- DYield to trains, like a yield sign
Show the answer
✓ D. Yield to trains, like a yield sign
The crossbuck has the same meaning as a yield sign, so you must yield to trains. A sign under it tells you how many tracks cross the road.
Source: Missouri Driver Guide (Revised August 2026), page 53