W 105 Steep Descent 11 Nov 2014 Category: Warning Signs Description Description W 105 Steep Descent The W 105 Steep Descent sign should normally be used where the down gradient is greater than 10% for a distance of at least 30m. Click to rate this post! [Total: 0 Average: 0] Related products W 006L Crossroads at Sharp Corner – Left Read more W 004R T-Junction (Type 2) – Right Read more W 008R Two Junctions on Right Read more W 009L Side Road on Outside of Left Bend Read more