W 164 Falling Rocks 11 Nov 2014 Category: Warning Signs Tag: Warning Signs Description Description W 164 Falling Rocks Sign W 164, Falling Rocks, may be used where there is a danger of rocks falling onto a stretch of road. Click to rate this post! [Total: 0 Average: 0] Related products W 010L Side Road on Inside of Left Bend Read more W 007RL Staggered Junctions – Right/Left Read more W 007LR Staggered Junctions – Left/Right Read more W 009L Side Road on Outside of Left Bend Read more