Resource Type: Books, Reports, Papers, and Research Articles
Work zone crashes are still on the rise due to the aging of US roads and the increase in traffic demand. Investigation of crash characteristics and determining contributing factors in work zones is on…MoreMathematical Models
Theory of Safety Surrogates Using Vehicle Trajectories in Macroscopic and Microscopic Settings: Application to Dynamic Message Signs Controlled Traffic at Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This paper presents a new mathematical framework for obtaining quantitative safety measure using macroscopic as well as microscopic traffic data. The safety surrogate obtained from the macroscopic dat…MoreThe STARs Evaluation Tool: Optimising Network Performance, Road Worker Safety and Road User Safety During Roadworks and Maintenance (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The aim of the Scoring Traffic at Roadworks (STARs) project is to optimise network availability, road worker safety and road user safety during roadworks. The objective was to develop a methodology to…MoreTime-varying Mixed Logit Model for Vehicle Merging Behavior in Work Zone Merging Areas (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This study aims to develop a time-varying mixed logit model for the vehicle merging behavior in work zone merging areas during the merging implementation period from the time of starting a merging man…MoreQualitative and Quantitative Risk Analysis of Unmanned Aerial Vehicle Flights over Construction Job Sites (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Unmanned Aerial Vehicles (UAVs) have been used on construction job sites for a variety of purposes for more than a decade. But the risks and hazards of flying UAVs on construction job sites has never …MoreExploring Factors Contributing to Injury Severity at Work Zones Considering Adverse Weather Conditions (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Despite recent efforts to improve work zone safety, the frequency and severity of crashes at work zones are still considerably high. The effect of work zones on traffic safety can be exacerbated by ad…MoreEvaluating the Effectiveness of Traffic Diversion and Managed Lanes on Highway Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Temporary work zones (TWZs) have become the second largest contributor to the non-recurring delay of U.S. highways, causing nearly 24 % of all non-recurring delay and 10 % of overall delay. Efficient …MoreUser Cost Model of Highway Work Zone During Discrete Periods Under Influence of Uncertain Factors (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The traffic situation of highway work zone during discrete periods was analyzed. By dispersing the work periods, the relationships between the capacities of work zones and user costs during different …MoreA New Analytic Neuro-Fuzzy Model For Work Zone Capacity Estimation (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Implementation of regular maintenance and rehabilitation to roads often requires establishment of work zones, which usually result in closing of one or more lanes available for traffic. Closing of tra…MoreSimulation and Evaluation of Speed and Lane-Changing Advisory of CAVS at Work Zones in Heterogeneous Traffic Flow (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Emerging connected autonomous vehicle (CAV) technologies provide an opportunity to the vehicle motion control to improve the traffic performance. This study simulated and evaluated the CAV-based speed…MoreModel Development for Use of Portable Traffic Signals in Conjunction with Pilot Car Operations at Two-Lane, Two-Way Rural Highway Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
A portable traffic signal (PTS) system is a traffic control device designed to facilitate the movement of one-way traffic at work zones where there is a temporary lane closure. The 2009 edition of the…MoreMachine Learning Approach to Forecast Work Zone Mobility Using Probe Vehicle Data (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The aim of deploying intelligent transportation systems (ITS) is often to help engineers and operators identify traffic congestion. The future of ITS-based traffic management is the prediction of traf…MoreCapacity Modeling and Control Optimization for a Two-Lane Highway Lane-Closure Work Zone (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
A two-lane highway lane closure work zone is a unique work zone type because of its traffic impact. When one lane of traffic is blocked, it is necessary to implement a traffic control strategy to effe…MoreCapacity Modeling and Control Optimization for Two-lane Highway Lane Closure Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
A two-lane highway lane closure work zone is a unique work zone type due to its traffic impact. As one lane of traffic is blocked, it is necessary to implement a traffic control strategy to effectivel…MoreWork Zone Simulation Model: Companion Report for “Traffic Management Strategies for Merge Areas in Rural Interstate Work Zones” (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
To support the analysis of driver behavior at rural freeway work zone lane closure merge points, CTRE staff collected traffic data at merge areas using video image processing technologies. The collect…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 …MoreImproved Support Vector Machine Models for Work Zone Crash Injury Severity Prediction and Analysis (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Work zones are a high priority issue in the field of road transportation because of their impacts on traffic safety. A better understanding of work zone crashes can help to identify the contributing f…MoreA Multistage Analytic Model of the Longitudinal and Lateral Acceleration During Lane Changing in Work Zone Areas With the Aid of a Driving Simulator Experiment (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The problem of modelling the lane-changing process in work zone areas is important. This study proposed a multistage analytic model based on driving simulator experiment. Several scenarios under diffe…MoreWork Zone Crash Prediction Model and Characteristics Analysis (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This research’s main goal is to improve the safety of work zones. It is commonly thought that work zones have a negative impact on the number of vehicle crashes. In addition to the high cost for mai…MoreModeling the Heterogeneous Traffic Flow of the Urban Signalized Intersection with the Straddling Work Zone (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Work zones widely exist on urban roads in many countries and have a serious impact on traffic. Few studies have focused on modeling the traffic flow of the work zone on the urban arterials, especially…MoreModeling the Traffic Flow of the Urban Signalized Intersection With a Straddling Work Zone (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Work zones widely exist on urban roads in many countries and have a significant negative impact on traffic. Few studies have focused on modeling the traffic flow of the work zone on the urban arterial…MoreCapacity Models for Long-Term and Short-Term Freeway Work Zones in Germany (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The paper presents results from a comprehensive study of work zone capacity on German freeways. A large number of long-time work zones with and without a reduction of the number of lanes as well as sh…MoreTime-Dependent Drivers’ Merging Behavior Model in Work Zone Merging Areas (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This study investigates the drivers’ merging behavior in work zone merging areas during the entire merging implementation period from the time of starting a merging maneuver to that of completing th…MoreWork Zone Queue Length and Delay Methodology (Publication)
Resource Type: Articles
Development of reliable strategies to overcome adverse mobility impacts of highway work zones requires accurate computation of delay and queues in work zones. This paper presents a methodology for qua…MoreRisk Factors in Work Zone Safety Events: A Naturalistic Driving Study Analysis (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Identification of crash risk factors and enhancing safety at work zones is a major priority for transportation agencies. There is a critical need for collecting comprehensive data related to work zone…MoreDeep Learning Detection of Personal Protective Equipment to Maintain Safety Compliance on Construction Sites (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Proper use of personal protective equipment (PPE) is key to minimizing injuries from accidents in construction sites. Past research has attempted at identifying PPE from digital images and videos. How…More