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 …MoreSpeed Limits
Featured Items:
Guidelines 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
Risk Factors Affecting Crash Injury Severity by Work Zone Area (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Work zones include advance warning area, transition area, and activity area. The geometric, traffic control aspects, traffic operations, and driver’s maneuverability differ within each work zone are…MoreWork Zone Free Flow Speed Calculation Issues in HCM 2016 (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Capacity and free flow speed (FFS) are the two most important traffic characteristics that determine traffic flow conditions in work zones. Work zone capacity and FFS are also important because they d…MoreAmtrak Didn’t Heed Work-Zone Speed Advice Before Fatal Crash (Publication)
Resource Type: News and Other Non-research Articles
After two track workers were killed five months ago, U.S. safety investigators urged Amtrak to slow its trains when they pass work crews. But Amtrak failed to follow the safety recommendations. …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…MoreProposed Bill Would Give MassDOT Power to Enforce Speed Limits for Road Work Areas (Publication)
Resource Type: News and Other Non-research Articles
There were more than 390 work zone crashes in Massachusetts in 2016. A proposed Massachusetts bill will authorize MassDOT to set a reduced speed limit in construction zones or other hazardous areas.…MoreImpacts of Night-Time Work-Zone Speed Restrictions on Freeway Speed Characteristics: A Case Study on Edmonton, Canada (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Freeway work zone is considered as a potentially hazardous zone, which asks for special speed restriction to provide a relatively safe environment for road users and workers. However, the efficacy of …MoreDrivers’ Lane Change Maneuver and Speed Behavior in Freeway Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Lane changing and merging occurs more frequently in work zones than other roadway conditions due to mandatory lane changes that occur in work zones with lane closures. Discretionary lane changes are a…MoreAdvantages and Challenges of a Video-Based Experiment to Investigate Drivers’ Speed Choice at Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This paper reports part of a larger study conducted in Norway about speed choice at roadworks. The method utilized was four videos of real work zones. One urban road and one rural road were filmed at …MoreUpdate to Issues Report for Interstate Speed Changes (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Currently, the Oregon Department of Transportation is investigating the potential for increasing the truck speed limit from 55 to 60 mph in segments where the current speed limit is 65 for cars/light …MoreVariable Speed Limit Signs: Control and Setting Locations in Freeway Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Variable Speed Limit Sign (VSLS) Systems enable speed limits to be changed dynamically in response to traffic conditions so that
traffic incidents can be reduced significantly on freeway work zones. …MoreSpeed Behaviour in Work Zone Crossovers. A Driving Simulator Study (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Reductions in speed and, more critically, in speed variability between vehicles are considered an important factor to reduce crash risk in work zones. This study was designed to evaluate in a virtual …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…More70 mph Study (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
In July and August 2014, the Pennsylvania Department of Transportation (PennDOT) and Pennsylvania Turnpike Commission (PTC) raised the posted speed limit on rural sections of Interstates 80, 380, and …MoreWork Zone Speed Management: Synthesis of Highway Practice (Publication)
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 …MoreTransportation Officials Predict Crackdown on Work Zone Speeding (Publication)
Resource Type: Articles, News and Other Non-research Articles
Transportation officials say reckless driving and speeding in Interstate work zones around Charleston have raised concerns and may soon result in increased speed limit enforcement. A Department of Tra…MoreCameras Sought for Work Zones on Pennsylvania Highways (Publication)
Resource Type: Articles, News and Other Non-research Articles
Associated Pennsylvania Constructors and its over 400 members will push for legislation allowing the use of cameras to enforce speed limits in work zones. The group expressed concern that a higher spe…MoreA Tobit Model for Analyzing Speed Limit Compliance in Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Poor compliance with speed limits is a serious safety concern in work zones. Most studies of work zone speeds have focused on descriptive analyses and statistical testing without systematically captur…MoreDriver Perceptions of Traffic-Calming Versus Active Enforcement Efforts in Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Many highway agencies wrestle with the question of how best to use enforcement personnel to improve work zone safety. Some agencies prefer to position the enforcement officer and vehicle at key locati…MoreEvaluation of Ohio Work Zone Speed Zones Process (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This report describes the methodology and results of analyses performed to determine the effectiveness of Ohio Department of Transportation processes for establishing work zone speed zones. Researcher…MoreNew Law Reduces Speed Limits, Clarifies Signs Near Work Zones (Publication)
Resource Type: Articles, News and Other Non-research Articles
On Friday, a new Minnesota law aimed at protecting road workers takes effect. The work zone speed limit will drop to 45 miles per hour when workers are present and the minimum fine for speeding will b…MoreNew Law Enforces Slower Speeds in Work Zones (Publication)
Resource Type: Articles, News and Other Non-research Articles
A new law in Minnesota will force motorists to slow down to 45 miles per hour in roadside work zones or face a $300 fine. The new law comes after the deaths of Craig Carlson and Ron Rajkowski, who wer…MoreNew Work Zone Safety Laws Begin Aug. 1 (Publication)
Resource Type: Other News Releases
According to a new law passed at the 2014 state legislative session, beginning Aug. 1, motorists will be fined $300 for speeding through a work zone. Motorists who do not obey work zone flaggers’ tr…MoreSpeed Management in Work Zones — The ASAP Project (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Speed management of traffic in work zones is important for the safety of both the road user and road worker. A work zone will introduce deviations from normal travel in a discrete road section and app…MoreAssessment of the Effect of Freeway Posted Speed Limit Reduction on Vehicular Delay at a Work Zone (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The reduction of posted speed limit at a freeway work zone plays an important role in ensuring safety of transportation system users and construction workers. However, it increases vehicular delay. Th…MoreDriving Speed Behavior of Cars and Trucks on Six-Lane Highway Work Zone Considering Lane and Location Deviation (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Work zones are not only traffic bottlenecks, but also critical points for the safety of both vehicle occupants and workers. Vehicle speed is a key factor to estimate traffic efficiency and understand …More