Resource Type: Books, Reports, Papers, and Research Articles
Freeway work zone can easily lead to traffic congestion which has detrimental effects on travel time and safety. By using the detected traffic states near work zone area, variable speed limit (VSL) co…MoreTraffic Flow
Cost Benefit: Wichita Eases Workzone Congestion (Publication)
Resource Type: News and Other Non-research Articles
Delays in work zones have caused about 10% of highway congestion in the US. The lack of accessible real-time traffic information to help motorists is a major contributor. One effective solution is the…MoreAn Empirical Analysis on Temporal Stability of Factors in Work Zone Crashes in Florida: A Random Parameters Heterogeneity-in-Means Approach (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Work-zone crashes in Florida have increased recently, particularly from 2012 to 2017. This study investigates on the factors leading to work-zone crashes in Florida in two distinct economic time perio…MoreA Macroscopic Traffic Flow Model for the Highway Work Zone (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Work Zones widely exist on highways, causing high traffic delay and many accidents. The majority of the existing studies focus on the characteristics of work zones, such as traffic capacity, speed, de…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…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…MoreVariable Speed Limit for Freeway Work Zone with Capacity Drop Using Discrete-Time Sliding Mode Control (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Freeway work zone with lane closure has a direct negative impact on travel time, safety, and environmental sustainability. The capacity drop at the onset of the congestion can also further reduce the …MoreDevelopment of a Travel-Time Reliability Measurement System (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This study has developed a computerized Travel-Time Reliability Measurement System (TTRMS), which can automate the time-consuming process of gathering and managing data from multiple sources and calcu…MoreResearch on the Relationship Between Dynamic Message Sign Control Strategies and Driving Safety in Freeway Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Several studies have researched the effect of dynamic message signs (DMSs) on the driving safety in work zones. However, only a few studies have examined the design of DMS control strategies in work z…MorePredicting Freeway Work Zone Capacity Distribution Based on Logistic Speed-Density Models (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Speed-volume-density relationship and capacity are key elements in modelling traffic operations, designing roadways, and evaluating facility performance. This paper uses a modified five-parameter logi…MoreOn the Impact of Connected Automated Vehicles in Freeway Work Zones: A Cooperative Cellular Automata Model Based Approach (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Purpose - Freeway work zones have been traffic bottlenecks that lead to a series of problems, including long travel time, high-speed variation, driver’s dissatisfaction and traffic congestion. This …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. …MoreMerging Vehicles and Lane Speed-Flow Relationship in a Work Zone (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
In addition to closed merge lanes as physical bottlenecks of work zones, traffic oscillations caused by merging vehicles at multiple locations could reduce work zone capacity. This study took a stepwi…MoreModel and Simulation of the Heterogeneous Traffic Flow of the Urban Signalized Intersection With an Island Work Zone (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Work zones exist widely in cities of many countries and have a significant negative impact on city traffic. The majority of the existing studies only focused on freeway work zones, while the work zone…MorePredicting Traffic Dynamics with Driver Response Model for Proactive Variable Speed Limit Control Algorithm (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Variable Speed Limit (VSL) control contributes to potential crash risk reduction by suggesting a suitable dynamic speed limit to achieve more stable and uniform traffic flow. In recent studies, resear…MoreTraffic Flow Modeling of Diverse Work Zone Activities (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
What effect does work activity type have on traffic conditions in a work zone? This question has still not been answered satisfactorily in practice. Without knowing the true effect a work activity has…MoreMicro-Level Analysis on Traffic Flow Parameters at Work-Zone Road Section Using Vehicular Trajectory Data (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The research work is carried out to examine microscopic and macroscopic traffic parameters at work zone on high speed urban roads. Due to construction of elevated metro rail project over the study sec…MoreImpact Assessment of Short-Term Work Zones on Intersection Capacity in New York City (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
New York City infrastructure is one of the oldest transportation infrastructures in the United States. Local street construction and short-term work zones are almost continuously planned events that a…MoreModel and Simulation of the Traffic of the Urban Signalized Intersection with Island Work Zone (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Work zones exist widely in cities of many countries and have a significant negative impact on city traffic; however, the majority of existing studies focused on freeway work zones, work zones on urban…MoreUnderstanding Traffic Flow Characteristics and Capacity of Linear Multi-work Zones on the Urban Arterial Road (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
It is quite common that several construction projects are implemented synchronously on the urban arterial roads of many large cities in China. Unfortunately, despite the popularity and prevalence of t…MoreUnderstanding the Impacts of Work Zone Activities on Traffic Flow Characteristics (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
What effect does work activity have on traffic conditions in a work zone? This question has still not been answered satisfactorily in practice. Without knowing the true effect a work activity has on t…MoreOptimization of Work Zone Segments on Urban Roads Using Cellular Automata Model in Mixed Traffic (Publication)
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 automa…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 …MoreOptimal Variable Speed Limit Control System for Freeway Work Zone Operations (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Improving operational safety and efficiency of variable speed limit (VSL) systems are the two core control objectives at work zone areas. In response to such need, this study presents a proactive …MoreFreeway Work Zone Free-Flow Speed Model Development (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Freeways with uninterrupted flow are expected to provide seamless movement of traffic resulting in reliable and safe travel conditions with a high level of service. In a time of aging transportation i…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…More