The Iowa Department of Transportation (DOT) has made improving work zone (WZ) safety a high priority. Managing vehicle speeds through work zones is perceived to be an important factor in achieving … [Read more...] about Evaluation of Work Zone Speed Reduction Measures (Report)
Iowa State University
Evaluation of Rumbler, Preformed Rumble Strip
The Rumbler is a temporary rumble strip consisting of several plastic bumps that are six inches wide, four (to six) feet long, and between 0.15 and 0.25 inches high. They are affixed to the pavement … [Read more...] about Evaluation of Rumbler, Preformed Rumble Strip