In 1990, eight retired employees of the Illinois Department of Transportation took a break from retirement activity to help IDOT conduct its Older Driver Study of Traffic Control Devices. Those … [Read more...] about Older Drivers Say … Stop Signs of Confusion
Traffic Signs
Signs of the Times
Driving down the highway, it's easy to take the scenery-the cornfields, the trees, even the road signs-for granted. Often we only notice the center stripe when deciding whether it's safe to pass the … [Read more...] about Signs of the Times
Innovative Traffic Control Devices for Improving Safety at Rural Short-Term Maintenance Work Zones
The Texas Department of Transportation (TxDOT) and the Federal Highway Administration (FHWA) sponsored a Texas Transportation Institute (TTI) research project to determine if innovative traffic … [Read more...] about Innovative Traffic Control Devices for Improving Safety at Rural Short-Term Maintenance Work Zones
Fluorescent Yellow-Green Background for Vehicle Mounted Work Zone Signs
This presentation shows and explains the typical advance warning sign historically used by Iowa DOT Maintenance and the benefits of adding fluorescent yellow-green backing. … [Read more...] about Fluorescent Yellow-Green Background for Vehicle Mounted Work Zone Signs
Summary of Treatments to Improve Work Zone Speed Limit Compliance
This is the summary report of the Texas Department of Transportation (TxDOT) sponsored Project 0-4707: Development of Measures for Motivating Drivers to Comply with Speed Limits in Work Zones. The … [Read more...] about Summary of Treatments to Improve Work Zone Speed Limit Compliance
Retroreflectivity – The Latest
The AASHTO Board of Directors recently recommended a change in Section 406 of the present law regarding establishment of minimum retroreflectivity values for signs and pavement markings. This would … [Read more...] about Retroreflectivity – The Latest