The signs come in many variations, including:
- Railroad Crossing
- One Way
- Bump (Sold with Bumpy Track)
- Reindeer Crossing
- Falling Rocks (Sold with Boulder Adventure Expansion Pack)
- Men At Work
- Brendam Fish Market (Sold with James' Fishy Delivery)
- Knapford (Sold with Steaming Around Sodor Set (2014))
- Duck Crossing
- The 1992 variations of the signs had thin poles and bases that resembled those of the Signal bases.
- In 1993, the signs had pale, plain wood outside of the actual sign image. Releases from 1994 to 2012 added colors. As of 2013, the signs have returned to their original bare-wood post look.