Research was conducted to evaluate drivers' understanding of red retroreflective raised pavement markers (RRPMs) on two-lane and four-lane undivided and divided roadways. The study included 191 … [Read more...] about Red Retroreflective Raised Pavement Markings: Driver Understanding of Their Purpose
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Public Opinion and Understanding of Advance Warning Arrow Displays Used in Short-Term, Mobile, and Moving Work Zones
In long-term work zones on multilane highways and/or freeways, the Federal Highway Administration has interpreted the Manual on Uniform Traffic Control Devices to mean that only one advance warning … [Read more...] about Public Opinion and Understanding of Advance Warning Arrow Displays Used in Short-Term, Mobile, and Moving Work Zones
Driver Understanding of Work Zone Flagger Signals and Signaling Devices
The report documents the results of a human factors laboratory study conducted in Texas to evaluate driver understanding of 13 work zone flagger signals. A total of 123 motorists participated in the … [Read more...] about Driver Understanding of Work Zone Flagger Signals and Signaling Devices
Driving Simulator Evaluation of Driver Performance During Hands-Free Cell Phone Operation in a Work Zone: Driving Without a Clue.
Crashes continue to be a problem in work zones. Analyses have indicated that rear-end and sideswipe crashes are the most frequent. Investigators have hypothesized that distractions are often the cause … [Read more...] about Driving Simulator Evaluation of Driver Performance During Hands-Free Cell Phone Operation in a Work Zone: Driving Without a Clue.
Driver Understanding of Messages Displayed on Sequential Portable Changeable Message Signs in Work Zones
In this paper, researchers present the results of a Texas Transportation Institute (TTI) driving simulator study of the ability of motorists to capture and process information on two portable … [Read more...] about Driver Understanding of Messages Displayed on Sequential Portable Changeable Message Signs in Work Zones
Effectiveness of Changeable Message Displays in Advance of High-Speed Freeway Lane Closures
The objective of the research reported herein was to determine effective advance-message presentation (e.g., display type, message content, placement distance) for lane closures on high-speed … [Read more...] about Effectiveness of Changeable Message Displays in Advance of High-Speed Freeway Lane Closures