Studies were conducted at a major maintenance work zone on a rural Interstate highway in Texas to evaluate the use of Highway Advisory Radio (HAR) for traffic management in work zones. The studies … [Read more...] about Field Evaluation of Highway Advisory Radio for Traffic Management in Work Zones (abridgement)
Types of Roads
Accident Characteristics Before, During, and After Safety Upgrading Projects on Ohio’s Rural Interstate System
In 1973, minor safety upgrading projects were conducted at 21 locations on the rural Interstate system of Ohio, involving 618 km (384 miles) of freeways. In 1972, the accident rate per million vehicle … [Read more...] about Accident Characteristics Before, During, and After Safety Upgrading Projects on Ohio’s Rural Interstate System
Evaluation of Traffic Control Devices for Rural High-Speed Maintenance Work Zones
This report documents the first year activities of a two-year project in which various work zone traffic control devices, treatments, and practices were implemented and evaluated. The focus has been … [Read more...] about Evaluation of Traffic Control Devices for Rural High-Speed Maintenance Work Zones
Safety Models for Rural Freeway Work Zones
This research is a part of a project aimed at studying the performance and efficacy of the Indiana Lane Merge System (ILMS) in work zone locations. The crash prediction models presented here are … [Read more...] about Safety Models for Rural Freeway Work Zones
Evaluation of Orange Removable Rumble Strips for Highway Work Zones
Rumble strips can be effective in alerting drivers to road conditions that merit special attention. The Kansas Department of Transportation (KDOT) requires the deployment of rumble strips on state … [Read more...] about Evaluation of Orange Removable Rumble Strips for Highway Work Zones
Long-Term Effectiveness of Speed Monitoring Displays in Work Zones on Rural Interstate Highways
The long-term effectiveness of Speed Monitoring Displays (SMDs) was evaluated as part of the Midwest States Smart Work Zone Deployment Initiative, a pooled-fund study sponsored by Iowa, Kansas, … [Read more...] about Long-Term Effectiveness of Speed Monitoring Displays in Work Zones on Rural Interstate Highways