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
Traffic Signs
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
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
Maintenance of Signs and Sign Supports: A Guide for Local Highway and Street Maintenance Personnel
Highway signs are the means by which the road agency communicates the rules, warnings, guidance and other highway information that drivers need to navigate their roads and streets. This guide, which … [Read more...] about Maintenance of Signs and Sign Supports: A Guide for Local Highway and Street Maintenance Personnel
Sign Policy
The Oregon Department of Transportation provides and maintains signs on the state highway system including: Directional Regulatory Warning Informational ODOT's Sign Policy … [Read more...] about Sign Policy