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
Speeding 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…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…MoreSetting Work Zone Speed Limits (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Increasing travel demands and an aging highway infrastructure drive the need for extensive construction, maintenance, and utility work zones. The introduction of work zone environments creates risks f…MoreImpact of Advisory Signs on Vehicle Speeds in Highway Nighttime Paving Project Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Pavement preservation projects typically require construction workers to conduct their work in close proximity to ongoing traffic. During paving operations, workers are located within a protected work…MoreVariable Speed Limit Study Upstream of an Indiana Work Zone with Vehicle Matching (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Traffic management in work zones presents significant mobility and safety challenges for agencies. The goals of a work zone traffic management plan are to safely slow vehicles ahead of the work zone, …MoreEditorial: We Need More, Not Fewer, Construction Work-Zone Cameras (Publication)
Resource Type: News and Other Non-research Articles
Radar-cameras have been proved to be effective in reducing speeding. Currently 12 states have radar-camera speed-limit enforcement in at least one location, seven states allow its limited use, an…MoreTowards a European Guideline for Speed Management Measures in Work Zones (Publication)
Resource Type: Articles
Speed management in work zones is important to ensure that the driver safely can navigate the vehicle through the work zone routing. The ASAP project, Appropriate Speed saves All People, was designed …MoreMaryland Police, Highway Agency Deploy Speed Cameras in I-70 Work Zone (Publication)
Resource Type: Articles, News and Other Non-research Articles
The Maryland state police are deploying the "Safezones" automated speed enforcement system with cameras along a work zone on eastbound Interstate 70. According to Maryland State Highway Administrat…MoreEvaluation of Photo Speed Enforcement (PSE) in California Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Exceeding the speed limit in highway work zones is a safety problem for highway workers and the traveling public. Adherence to the posted speed limits can provide safety benefits by reducing the numbe…More