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 008L Two Junctions on Left Read more W 011L Crossroads on Left Bend Read more W 004L T-Junction (Type 2) – Left Read more W 013 Side Road on Dual C’way Read more