Formed Rumble Strips
Formed rumble strips mirror the rolled type in shape but are made by pressing forms into concrete shoulders as they are being constructed(32-mm-deep, 40-mm-wide rounded or V-shaped grooves).
Policy, Specifications and Drawings
In order to see how some States are implementing rumble strips on their roadways, we have provided policy, specifications and some engineering drawings in Adobe PDF format for your perusal.
