Resource Type: Books, Reports, Papers, and Research Articles
Increased delays and reduced speeds in work zones leads to congestion. This can be improved by optimizing the work zone length. The focus of this study is to model work zones using cellular automata…MoreTraffic Delay
Temporary Traffic Control Strategy Optimization for Urban Freeways (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Temporary traffic control (TTC) strategies have been widely adopted to maintain traffic flow while ensuring TTC costs remain a reasonable portion of construction budgets. As travel demand approaches t…MoreMulticontextual Machine-Learning Approach to Modeling Traffic Impact of Urban Highway Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Impact assessments of highway construction work zones (CWZs) are mandated for all federally funded highway infrastructure improvement projects. However, most existing approaches are ad hoc or project …MoreFeasibility of Lane Closures Using Probe Data (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
To develop an adequate traffic operations management and congestion mitigation plan for every roadway maintenance and construction project requiring lane closures, transportation agencies need accurat…MoreEvaluation of Traffic Control Options in Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Lane closures for work zones along freeways produce bottlenecks. These bottlenecks are problematic due to loss of capacity and excessive lane changes, which impact the facility performance represented…MoreOptimizing the Planning of Highway Work Zones to Maximize Safety and Mobility (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Highway work zones create potential risks for both traffic and workers in addition to traffic congestion and delays that result in increased road user delay, traffic crashes, and vehicle emissions. Th…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…MoreVariable Speed Limit Control for Delay and Crash Reductions at Freeway Work Zone Area (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Improving operational efficiency and safety on freeway segments has long been recognized as a priority in traffic communities. This study presents a comprehensive variable speed limit (VSL) control mo…MoreUser Costs as One of Main Advantages of Precast Concrete Application in Highway Construction (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Road user cost primarily refer to the monetized components of road (re)construction impacts, such as the user delay costs, vehicle operating costs, crash costs and emission costs. Objective of this pa…MorePredicting Freeway Work Zone Delays and Costs with a Hybrid Machine-Learning Model (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
A hybrid machine-learning model, integrating an artificial neural network (ANN) and a support vector machine (SVM) model, is developed to predict spatiotemporal delays, subject to road geometry, numbe…MoreWork Zone Impact Assessment Methods and Applications (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Two work zone impact assessment methods were developed and their applicability was illustrated with data from recent construction projects on the I-35 Central Texas corridor. The first method was deve…MoreAnalysis of Loss of Time Value During Road Maintenance Project (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Lane closure is frequently performed in the execution of the road maintenance project. It has a negative impact on road users such as the loss of vehicle operating costs and the loss of time value. Ne…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
Data-Driven Traffic Impact Assessment Tool for Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Traditionally, traffic impacts of work zones have been assessed using planning software such as Quick Zone, custom spreadsheets, and others. These software programs generate delay, queuing, and other …MoreWork Zone Impact Assessment Methods and Applications (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Two work zone impact assessment methods were developed and their applicability was illustrated using recent construction projects and actual data from the I-35 Central Texas corridor. The first method…MoreArtificial Neural Network Model for Estimating Temporal and Spatial Freeway Work Zone Delay Using Probe-Vehicle Data (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Highway lane closures due to road reconstruction and the resulting work zones have been a major source of nonrecurring congestion on freeways. It is extremely important to calculate the safety and cos…MoreOptimal Trade-Offs between Construction Cost and Traffic Delay for Highway Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Highway work zones often cause traffic congestion, resulting in increased road-user delays and vehicle emissions. These negative impacts of highway work zones can be minimized by a number of mitigatin…MoreDelay and User Cost Estimation for Work Zones on Urban Arterials (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This is the final project report of NCDOT research project 2013‐09: Delay and User Cost Estimation for Work Zones on Urban Arterials. The project seeked to develop a methodology for quantifying dela…MoreBalancing the Costs of Mobility Investments in Work Zones: Phase 1 Final Report (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Work zone safety and mobility continue to be critical transportation concerns in Michigan and elsewhere. Previous research has led to the development of a variety of tools, performance measures and de…MoreTTI, TxDOT Team up to Test Connected Vehicle Technology (Publication)
Resource Type: Articles
This article discusses I-35 Connected Work Zone, a $2 million project funded by U.S. Department of Transportation. This is a four-year project undertaken by the Texas A&M Transportation Institute on…MoreWork Zone Planning in Pavement Rehabilitation: Integrating Cost, Duration, and User Effects (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This paper describes a methodology developed to support decision makers in planning work zones for pavement maintenance and rehabilitation interventions, integrating cost, duration, and user effects. …MoreEmergency Response in Construction Zones (Publication)
Resource Type: Articles, News and Other Non-research Articles
On June 30, one lane was closed for hours after a semi hit a guardrail in a construction zone on 1-75 N near Dayton, causing a backup. This incident brought up the questions regarding if the delays …MoreMDOT Seeks “Road Watchers” in Metro Region (Publication)
Resource Type: Other News Releases
The Michigan Department of Transportation (MDOT) is looking for volunteers to report on highway construction zones in Metro Detroit through an online survey to better determine how work zones are oper…MoreModelling Major Traffic Incident Impacts and Estimation of Their Associated Costs (Publication)
Resource Type: Articles
Network area-wide impacts due to major traffic incidents can be assessed using a microsimulation approach. A VISSIM microsimulation model for a motorway network has been developed and is used to quant…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…MoreWork Zone Corridor Management in Michigan (Publication)
Resource Type: Brochures and Fact Sheets
Through their "One Corridor Focus" initiative, the Michigan Department of Transportation (MDOT) manages work zones along key corridors as a single unit rather than discrete projects, enabling MDOT to …More