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Work Zone Safety Information Clearinghouse

Library of Resources to Improve Roadway Work Zone Safety for All Roadway Users

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Urban Highways

Model and Simulation of the Heterogeneous Traffic Flow of the Urban Signalized Intersection With an Island Work Zone

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 … [Read more...] about Model and Simulation of the Heterogeneous Traffic Flow of the Urban Signalized Intersection With an Island Work Zone

Model and Simulation of the Traffic of the Urban Signalized Intersection With Island Work Zone

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 … [Read more...] about Model and Simulation of the Traffic of the Urban Signalized Intersection With Island Work Zone

Understanding Traffic Flow Characteristics and Capacity of Linear Multi-work Zones on the Urban Arterial Road

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 … [Read more...] about Understanding Traffic Flow Characteristics and Capacity of Linear Multi-work Zones on the Urban Arterial Road

Updating the Lane Closure Guide for Urban Highways in the Kansas City Metropolitan Area

The Kansas Department of Transportation (KDOT) has released a report that evaluates the existing KDOT Lane Closure Guide. This report surveys other highway agencies on their policies for closing lanes … [Read more...] about Updating the Lane Closure Guide for Urban Highways in the Kansas City Metropolitan Area

Temporary Traffic Control Strategy Optimization for Urban Freeways

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 … [Read more...] about Temporary Traffic Control Strategy Optimization for Urban Freeways

Multicontextual Machine-Learning Approach to Modeling Traffic Impact of Urban Highway Work Zones

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 … [Read more...] about Multicontextual Machine-Learning Approach to Modeling Traffic Impact of Urban Highway Work Zones

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