Resource Type: Brochures and Fact Sheets
This fact sheet is designed to highlight common pitfalls in estimating potential impacts that can result from implementing a traffic control plan as well as strategies that can help reduce work zone c…MoreTraffic Congestion
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Evaluation of Interstate Work Zone Mobility Using Probe Vehicle Data and Machine Learning Techniques (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
According to the Federal Highway Administration (FHWA), US work zones on freeways account for nearly 24% of nonrecurring freeway delays and 10% of overall congestion. Historically, there have been…MorePractical Road-Resistance Functions for Expressway Work Zones in Occupied Lane Conditions (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
In order to create a practical road-resistance function for work zones under different lane occupation conditions, the expected speed of vehicles was calibrated in the work zone simulation model based…MoreFuel Consumption and Greenhouse Gas Emissions from On-Road Vehicles on Highway Construction Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Traffic interruption by lane closures in construction work zones (CWZ) is unavoidable when road maintenance activities are undertaken. This study evaluated the fuel consumption and greenhouse gas (GHG…MoreConnected Vehicle Data-Based Tools for Work Zone Active Traffic Management (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Work zones present challenges to safety and mobility that require agencies to balance limited resources with vital traffic management activities. It is important to obtain operational feedback for suc…MoreINDOT Adjusts Traffic Lights to Ease Gridlock in Downtown Indy Because of I-65 Construction (Publication)
Resource Type: News and Other Non-research Articles
The I-65 construction has caused a traffic gridlock in downtown Indianapolis. Frustrated commuters turned to Call 6 for help and Call 6 Investigates took their concerns to the city and the state. …MoreApplication of LiDAR and Connected Vehicle Data to Evaluate the Impact of Work Zone Geometry on Freeway Traffic Operations (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Extensive literature exists regarding recommendations for lane widths, merging tapers, and work zone geometry to provide safe and efficient traffic operations. However, it is often infeasible or unsaf…MoreVariations in Driver Behavior: An Analysis of Car-Following Behavior Heterogeneity as a Function of Road Type and Traffic Condition (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Microsimulation modeling is a tool used by practitioners and researchers to predict and evaluate the flow of traffic on real transportation networks. These models are used in practice to inform decisi…MoreAnalyzing and Improving the Performance of Dynamic Message Sign Reporting Work Zone—Related Congestion (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Dynamic message sign (DMS) systems aim to provide realistic, reliable, and real-time traffic information to roadway users. This study investigated the performance of a DMS present at a work zone that …MoreWork Zone Traffic Management Analysis Using Analytical Methods (Training)
The course provides hands-on training on basic analytical methods (sketch planning methods) to compute work zone performance measures (WZPM). The WZPM includes the following factors: capacity, speed, … More
Dashboards for Closing the Loop on Monitoring Interstate Work Zone Maintenance of Traffic (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Although most agencies have extensive processes in place for designing interstate construction work zones, there is very little quantitative assessment performed on how those work zones operate. Opera…MoreAnalyzing and Improving the Performance of Dynamic Message Sign Reporting Work Zone Related Congestion (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Dynamic Message Sign (DMS) systems aim to provide realistic, reliable, and real-time traffic information to roadway users. This study investigates performance of DMS present at work zone which warn dr…MoreCapturing Driver Behavior by Measuring Time Gap in Freeway Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Quantifying the impact that a work zone will have on mobility is currently evaluated in driver models used in traffic microsimulation. It is hypothesized in this paper that the car-following behavior …MoreSimplified Web-Based Decision Support Method for Traffic Management and Work Zone Analysis (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Traffic congestion mitigation is one of the key challenges that transportation planners and operations engineers face when planning for construction and maintenance activities. There is a wide variety…MoreEffects of Short-Term Lane Closures on the Traffic Flow of Freeways (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
One of the main causes of congestion on freeways are lane closures due to short-term construction works or accidents. To avoid congestion due to these events, this study aims at analyzing traffic flow…MoreEvaluation of Merge Control Strategies at Interstate Work Zones Under Peak and Off-Peak Traffic Conditions (Publication)
Resource Type: Articles, Books, Reports, Papers, and Research Articles
Maintenance and rehabilitation projects of interstate facilities typically mandate lane closures. Lane closures require merging maneuvers that often result in reduced speeds and traffic bottlenecks…MoreVariable Speed Limit Control for Severe Non-Recurrent Freeway Bottlenecks (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Variable speed limit (VSL) schemes are developed based on the Kinematic Wave theory to increase discharge rates at severe freeway bottlenecks induced by non-recurrent road events such as incidents or …MoreAnalysis, Modeling, and Simulation for Traffic Incident Management Applications (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Traffic incidents are a major source of congestion in both urban and rural areas. Nationally, roughly 25% of total congestion is due to traffic incidents. Further, traffic incidents create unexpected …MoreFuel Conservation Through Freeway Work Zone Traffic Diversion Planning (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Construction activities and numbers of related work zones on urban freeways have grown significantly. The most problematic work zones occur on roads that are already fully loaded, and impacts of work …MoreDetermining Road User Costs for Work Zone Construction Sequencing Using Multi-Resolution Modeling Methods (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Traffic congestion has continued to increase over the past decade. As a result, there has been an increase in roadway construction throughout the United States. However, work zones contribute to conge…MoreUtilization of Remote Traffic Monitoring Devices for Urban Freeway Work Zone Assessment (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The two primary objectives of this project were to assess urban freeway work-zone impacts through use of remote monitoring devices, such as radar-based traffic sensors, traffic cameras, and traffic si…MoreAssessment of Non-Recurrent Traffic Congestion Caused by Freeway Work Zones and its Statistical Analysis with Unobserved Heterogeneity (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Freeway work zones with patching, paving, lane marking, debris removing, and weeding cause temporary capacity reduction in the freeway and may lead to non-recurrent traffic congestion. Such non-recurr…MoreDetermining Queue and Congestion in Highway Work Zone Bottlenecks (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This study investigated some of the issues in capacity, queue length, and delay estimation in work zones. In particular, the current methods for analyzing congestion in work zones are examined. Furthe…MoreTomTom to Provide Real Time Traffic Data to Assist Maastricht in Minimizing Traffic Disruption During Major Construction Work on the A2 (Publication)
Resource Type: Other News Releases
TomTom will provide real time traffic data to Avenue2, the construction company in charge of building a new tunnel under the A2 motorway. With this information Avenue2 can monitor in real time the tra…MoreA Spatial Queuing Approach to Optimize Coordinated Signal Settings to Obviate Gridlock in Adjacent Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Gridlock is defined when traffic comes to a complete halt inducing huge delays. If a work zone on a two-lane two-way highway is set up, in which one of the traffic lanes is closed for maintenance road…MoreUser Delay Costs Due to Work Zone Operations Near Echo Junction (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
With the increasing number of road rehabilitation projects across the United States, the need to reduce user costs due to congestion is more important than ever. The Utah Department of Transportation …MoreQuantifying Incident-Induced Travel Delays on Freeways Using Traffic Sensor Data: Phase II (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Traffic incidents cause approximately 50 percent of freeway congestion in metropolitan areas, resulting in extra travel time and fuel cost. Quantifying incident-induced delay (IID) will help people be…More