This paper aims to evaluate the rear-end crash risk at work zone activity area and merging area, as well as analyze the impacts of contributing factors by using work zone traffic data. Here, the … [Read more...] about Evaluation of Rear-End Crash Risk at Work Zone Using Work Zone Traffic Data
Parts of Roads
MASH Test 3-11 of the TxDOT Portable Type 2 PCTB with Sign Support Assembly
Portable concrete traffic barriers (PCTBs) are commonly used in work zones or in temporary median barrier applications. PCTBs are needed for separation and channelization of vehicle movement and … [Read more...] about MASH Test 3-11 of the TxDOT Portable Type 2 PCTB with Sign Support Assembly
Behavior Study of Merge Practices for Drivers at Work Zone Closures
The purpose of this project was to determine which driver behaviors result in the greatest reduction of capacity with work zone lane closures. Traffic and safety experts believe that driver behaviors, … [Read more...] about Behavior Study of Merge Practices for Drivers at Work Zone Closures
Joint Merge and Its Impact on Merging Speeds in Lane Reduction Areas of Construction Zone
To increase the efficiency and safety of traffic flow in the vicinity of lane reduction transition areas, engineers have begun to use innovative techniques to facilitate traffic flow through these … [Read more...] about Joint Merge and Its Impact on Merging Speeds in Lane Reduction Areas of Construction Zone
Don’t Feel Cheated: ‘Late Mergers’ in Construction Zones can Actually Ease Traffic Congestion
Most drivers believe they are abiding by proper roadway etiquette when they merge as soon as possible after being notified of a lane closure. Because most drivers merge early, an open lane is created … [Read more...] about Don’t Feel Cheated: ‘Late Mergers’ in Construction Zones can Actually Ease Traffic Congestion
Vanguard Technologies on the Move: Delivering Innovations Into the Mainstream of Practice
Through the Vanguard Technologies initiative, the Federal Highway Administration is promoting proven, high-payoff innovations that save time, boost safety and quality, and decrease congestion during … [Read more...] about Vanguard Technologies on the Move: Delivering Innovations Into the Mainstream of Practice