Resource Type: Books, Reports, Papers, and Research Articles
Detecting the safety vests is an important foundation for various applications in safety management and productivity measurement. The fluorescent yellow-green color and fluorescent orange-red color of…MoreMeasures of effectiveness
Highway Construction Work-Zone Safety: Effectiveness of Traffic-Control Devices (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Pavement preservation is a proactive approach to maintaining existing highways. Freeway-preservation projects typically require construction workers to conduct their work in close proximity to ongoing…MoreSafety Effects of Fluorescent Yellow Warning Signs at Hazardous Sites in Daylight (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Yellow warning signs are an important and abundant type of traffic control device. Improving warning signs could be a cost-effective countermeasure at hazardous locations. The use of fluorescent yello…MoreImproved Business Driveway Channelizing Treatments in Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This paper documents the efforts and results of a human factors study of alternative business driveway channelizing treatments in work zones. The purpose of the research was to determine the effective…MoreField Measurements on the Effect of Temporary Rumble Strips in Work Zone Flagging Operations (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Limited-scale field measurements were collected to quantify the impact of two temporary rumble strip (TRS) layouts at two different two-lane roadway construction projects in Iowa. The field work was n…MoreEvaluation of Rumbler, Preformed Rumble Strip (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The Rumbler is a temporary rumble strip consisting of several plastic bumps that are six inches wide, four (to six) feet long, and between 0.15 and 0.25 inches high. They are affixed to the pavement w…MoreEffect of Radar Drone Operation and Speeds at High Crash Risk Locations (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
At highway construction and maintenance work zones and other locations where roadway alignment, road surface, and traffic flow conditions have contributed to high crash rates, crash risk may be reduce…MoreSpeeding in Highway Work Zone: An Evaluation of Methods of Speed Control (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Highway workers frequently work in close proximity of live traffic in highway work zones, traffic accidents therefore have devastating effects on worker safety. In order to reduce the potential for su…MoreEffectiveness of End-of-Queue Warning Systems and Portable Rumble Strips on Lane Closure Crashes (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The Texas Department of Transportation has been deploying work zone intelligent transportation systems in an effort to reduce the number of work zone crashes along the Interstate 35 (I-35) corridor. R…MoreImpact of Work Zone Signage on Driver Speeding Behavior: A Driving Simulator Study (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Speeding in a work zone needs to be tackled effectively to enhance work zone safety. This study evaluates the influence of three different work zone signs – speed photo enforced signs, dynamic speed…MoreEffectiveness of VSL Signs in Reducing Crash Rates on Roadway Construction Work Zones in Alaska (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
As a driver's speed increases, so do the probability of an incident and likelihood of injury. The presence of equipment, personnel, and a changing landscape in construction zones create greater potent…MoreEvaluating the Effects of Queue Warning Systems on Freeway Work Zones Using Traffic Simulation Software (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Work zones are a key component of the rehabilitation efforts that travelers on the U.S. national highway system interact with increasingly every day. Roadway construction, rehabilitation, and maintena…MoreVariable Speed Limits Ease Congestion, Reduce Crashes on Highways: Study (Publication)
Resource Type: News and Other Non-research Articles
In an effort to make traffic move more smoothly, researchers at the University of Missouri tested the effectiveness of Variable Advisory Speed Limit (VASL) systems, which provide drivers with a recomm…MoreEvaluation of Truck-Mounted Automated Flagger Assistance Devices in Missouri: Case Study (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
To improve work zone safety by replacing human flaggers, a new Automated Flagger Assistance Device (AFAD) developed by the Missouri Department of Transportation (MoDOT) was investigated through field …MoreA Smart Highway Work Zone Merge System Enabled by Connected Vehicles (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Typical traffic control and operations at work zones usually are not very effective in mitigating the work zone bottleneck. A major reason is that the common early merge behaviors limits utilizing the…MoreEvaluating the Effectiveness of Toolbox Talks on Safety Awareness Among Highway Maintenance Crews (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Highway maintenance crews conduct various work operations, such as roadway repairs, bridges maintenance, landscaping, snow removal, etc. The proximity to speeding traffic, the extreme work environment…MoreImproved Road Safety at Work Zones Using Advanced Traveler Information Systems (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Work zones are road sections where road construction or maintenance activities take place. These work zones usually have different alignment and furniture than the original road and thus temporary low…MoreEffectiveness of Stationary Police Vehicles with Blue Lights in Freeway Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Work zone safety affects both drivers and construction workers. Two main safety measures for reducing work zone crashes and their severity have been to reduce the vehicle speeds in work zones and to i…MoreEffectiveness Evaluation of Section Speed Control in Czech Motorway Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The goal of section speed control is to increase speed limit compliance in the monitored road sections, decrease speed variance and improve traffic safety. General experience with section speed contro…MoreOptimal Variable Speed Limit Control System for Freeway Work Zone Operations (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Improving operational safety and efficiency of variable speed limit (VSL) systems are the two core control objectives at work zone areas. In response to such need, this study presents a proactive …MoreInvestigation of Flashing and Intensity Characteristics for Vehicle-Mounted Warning Beacons (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Reducing the potential for crashes involving front line service workers and passing vehicles is important for increasing worker safety in work zones and similar locations. Flashing yellow warning beac…MoreEvaluation of Work Zone Split Traffic Symbol Sign (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Effective signage that is easy to understand facilitates safe driving through a work zone. While the guidance for work zone signage in the Manual on Uniform Traffic Control Devices (MUTCD) is suitable…MoreEffectiveness of Personal Protective Equipment (PPE) at Construction Site (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
It is axiomatic that, most cases in regards to the accidents around the vicinity of construction site has always been happening in Malaysia. In fact, we had collected and accumulated the data through …MoreFlagger Operations: Investigating Their Effectiveness in Capturing Driver Attention (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This two-pronged (driving simulation and field study) investigation of driver behavior in work zones contributes basic and applied knowledge to our understanding of work zone safety. In the driving si…MoreEvaluation of Automated Flagger Assistance Devices (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Flagger safety is an important issue in work zones due to the proximity of the flagger to traffic. Some strategies for improving flagger safety include slowing down approaching vehicles or removing fl…MoreEvaluation of Automated Flagger Assistance Devices (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Automated flagger assistance devices (AFADs) are designed to improve worker safety by replacing flaggers who are typically located near traffic approaching a work zone. In this study, a new AFAD devel…More