Resource Type: Books, Reports, Papers, and Research Articles
This Synthesis of Practice focuses on speed management for work zones on roadways with ordinary (pre-construction) speed limits of 45 mph and above such as freeways, tollways, multilane divided rural …MoreManaging Speeds
Featured Items:
SWZ: Technology Applications Types of Applications: Automated Enforcement
Automated enforcement systems detect and capture images of speeding vehicles to be used for enforcement purposes.
Fact sheet on automated enforcement systems in work zones
Evaluation of an a… More
SWZ: Technology Applications: Types of Applications: Variable Speed Limit
Variable speed limit systems strive to harmonize speeds approaching and within the work zone, calming traffic flow and warning of slowed or stopped traffic ahead.
Concept of Operations for Us… More
Guidelines on Use of Law Enforcement in Work Zones (Publication)
Resource Type: Manuals, Policies, Guidelines, and Handbooks, etc.
Guidelines on Use of Uniformed Law Enforcement (Subpart K) describes good practices for use of law enforcement to improve work zone safety and mobility. The document is intended to assist highway agen…MoreGuidelines on Managing Speeds in Work Zones (Publication)
Resource Type: Manuals, Policies, Guidelines, and Handbooks, etc.
Guidelines on Managing Speeds in Work Zones summarizes available guidance on setting speed limits and managing speeds in work zones. Many factors impact the decision to reduce the regulatory speed lim…More2009 National Traffic Management & Work Zone Safety Conference
The acclaimed Traffic Management & Work Zone Safety Conference managed by the ARTBA - Transportation Development Foundation was held March 9-13 in Orlando, Florida, in conjunction with World o… More
What’s that Flash near the Roadside Port-A-Potty? A Speed Camera (Publication)
Resource Type: News and Other Non-research Articles
A new speed camera attached to an SUV behind a portable toilet on Interstate 270 in Maryland caused some controversy. Some motorists thought that was sneaky and it would be more effective to place the…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…MoreInventory of Best Practices to Prevent Incursions into Work Zones – Literature Review (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The aim of this report was to review the literature to identify existing best practices used to prevent incursions into work zones and improve safety of road users and road workers. A systematic liter…MoreEvaluation of Speeding and Behaviour of Drivers in Roadwork Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Due to the increased traffic flow, more and more roadwork zones are formed in highways. Accidents are a significant problem in all European countries in roadwork zones while noncompliance with speed l…MoreWork-zone Speeders Could Soon Get Tickets in the Mail Under Pennsylvania Law (Publication)
Resource Type: News and Other Non-research Articles
Pennsylvania state Senate passed the legislation that allows traffic cameras in work zones. Under the law, drivers would be ticketed for driving 11 miles per hour or more over the speed limit in activ…MoreNew PA Law Encourages Road Work Safety (Publication)
Resource Type: News and Other Non-research Articles
Pennsylvania Governor Tom Wolf signed the Automated Speed Enforcement bill which allows Pennsylvania Department of Transportation and Pennsylvania Turnpike Commission to use radar and LIDAR cameras i…MoreMD Drivers Finally Heed Work Zone Speed Cameras: AAA (Publication)
Resource Type: News and Other Non-research Articles
Speed cameras deployed in work zones in the Baltimore metro area and across Maryland have worked to reduce speeding violations. The numbers of crashes, fatalities, and fines paid have dropped signific…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…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…MoreUse of Additional Lighting for Traffic Control and Speed Reduction in Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Performing roadway construction work at night exposes workers to hazards that are not present or as great during the daytime. Working at night requires illuminating the area where work is taking place…MoreInfluencing Speed Behaviour at Highway Work Zones Using In-car Speed Limits and Warnings (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Speeding behaviour and driver distraction cause relative unsafety at highway work zones and amongst young male drivers. Adding further safety measures to the infrastructure has adverse effects as driv…MoreUse of Portable and Dynamic Variable Speed Limits in Construction Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Utah Department of Transportation (UDOT) implemented dynamic management of portable variable speed limit (PVSL) technology to reduce regulatory speed limits through an active work space (AWS), and UDO…MoreVa. Senate Backs Bill Putting Handheld Speed Cameras Around Work Zones (Publication)
Resource Type: News and Other Non-research Articles
The Virginia State Senate has approved Sen. Bill Carrico’s bill, which would allow state police troopers to use handheld speed cameras when the troopers are physically in or near a work zone. A w…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…MoreSpeed Camera on Beltway Generates Huge Number of Tickets (Publication)
Resource Type: News and Other Non-research Articles
Nearly 75,000 speed camera tickets were issued in the Suitland Road Bridge work zone during the last six months of 2017, generating $3 million in fines. These cameras decreased the amount of speeding …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…MoreSpeeding Through Pa. Work Zones is Common, and it’s Really Dangerous – for Drivers (Publication)
Resource Type: News and Other Non-research Articles
Work zones are dangerous for both workers and drivers. Records show that drivers and passengers are more likely to be injured or killed in work zone crashes. Pennsylvania state legislators are…MoreIncreasing Speed Limit Compliance in Motorway Work Zones: A Human System Integration Approach (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Speeding in motorway work zones lowers the perceived safety of road workers and increases the accident risks of traffic participants. In a work zone, traffic participants share the road with road work…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…MoreInvestigation of Effectiveness of Radar Speed Signs and Additional Lighting for Speed Control in Highway Construction and Maintenance Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Safely controlling and reducing vehicle speeds through work zones decreases the safety risk associated with highway construction and maintenance work. Work zone speed control has been the subject of…MoreEvaluation of Variable Advisory Speed Limits in Congested Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The effectiveness of variable “advisory” speed limit (VASL) systems in congested urban work zones was investigated. Except for one publication, all previous studies focused on regulatory speed lim…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…MoreIdentifying and Reconciling Stakeholder Perspectives in Deploying Automated Speed Enforcement (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Speeding is a public-health crisis, making up approximately a third of roadway deaths each year in the United States. One countermeasure with clearly documented efficacy to reduce speed is automated s…MoreInfluence of Truck-Mounted Radar Speed Signs in Controlling Vehicle Speed for Mobile Maintenance Operations: Oregon Case Study (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Radar speed signs (RSSs) are a measure for reducing traffic flow speeds through work zones. The influence of truck-mounted RSSs on vehicle speed was evaluated for mobile maintenance operations in two …MoreWork Zone Sign Design for Increased Driver Compliance and Worker Safety (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Many studies have investigated the effect of dynamic message signs (DMS) on drivers’ speed reduction and compliance in work zones, yet only a few studies have examined the design of sign content of …MoreHighway 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…More