This guide, which focuses on showing how to use BPMN for mapping traffic operations business processes, is intended to help transportation agencies move forward in addressing nonrecurring traffic congestion and delivering more reliable travel times on their highway networks. The guide explores va
The guide is based on a series of case studies, from the United States and one from Great Britain, that describe successful business processes. The case studies show how business processes were successfully improved in operational areas such as traffic incident management (TIM), work zone ma
This report provides comprehensive and uniform guidelines for safe and efficient yellow change and all-red clearance intervals at signalized intersections. The project (1) reviewed and compared the definitions of yellow change and all-red clearance intervals,(2) conducted a critical review o
This guidebook is intended to serve as a detailed reference that addresses the concepts, methods, processes, tasks, techniques, and other related issues for practitioners to consider associated with planning and development for a virtual Traffic Management Center (TMC). The guidebook describes th
Lanes for through movements that begin upstream of a signalized intersection and end downstream of the intersection—auxiliary through lanes (ATLs)—are recognized as a moderate-cost approach to increase intersection and overall corridor capacity. NCHRP Report 707 provides guidelines to use for jus
TRB’s National Cooperative Freight Research Program (NCFRP) Report 33: Improving Freight System Performance in Metropolitan Areas: A Planning Guide outlines potential strategies and practical solutions for public and private stakeholders to improve freight movement system performance in diverse m
This project was carried out to review and advance the state of the practice in modeling the effects of highway congestion and highway pricing on travelers decisions, including the choice of facility, choice of route, choice of mode and choice of departure. Important findings are related on how d
