The system evaluated comprised 5 VMS, 4 RTMS, 2 microwave traffic sensors, and a laptop-based system control center, all integrated via UHF radio system. The system monitors traffic at each VMS and … [Read more...] about Construction Area Late Merge (CALM) System
Iowa State University
Wizard CB Alert System
The Wizard Work Zone Alert and Information Radio was designed and patented by Highway Technologies Inc. and built and marketed by TRAFCON Industries Inc. It is designed to give drivers of heavy trucks … [Read more...] about Wizard CB Alert System
Midwest Smart Work Zone Deployment Initiative Year 3: Fluorescent Yellow-Green Background for Vehicle-Mounted Work Zone Signs
As a part of the Midwest States Smart Work Zone Deployment Initiative (MwSWZDI) Year 3, the impact of the FYG background on improving drivers' lane-changing behavior in advance of a work zone was … [Read more...] about Midwest Smart Work Zone Deployment Initiative Year 3: Fluorescent Yellow-Green Background for Vehicle-Mounted Work Zone Signs
Evaluation of the Paddle Pal, a Device for Increasing the Visibility of Flagger Paddles
The Paddle Pal is a product of Safe-T-Proof. The product consists of a black plastic case and four arrays of three flashing LED's, two red arrays on one side and two amber arrays on the other side. … [Read more...] about Evaluation of the Paddle Pal, a Device for Increasing the Visibility of Flagger Paddles
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