Documents in the Category: Functional Intersection Area

NCHRP 875 Safety Impacts of Intersection Sight Distance

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NEW! NCHRP Research Report 875: Guidance for Evaluating the Safety Impacts of Intersection Sight Distance is a resource for practitioners involved in the planning, design, operations, and traffic safety management of stop-controlled intersections. It provides information on how to estimate the effect of intersection sight distance (ISD) on crash frequency at intersections and describes data collection methods and analysis steps for making safety informed decisions about ISD.

Combined AMAG & AM Manual

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 TRB's newest publications on access management draw on national and state research to respond to the need for a more coordinated approach to transportation and community design that preserves the safe and efficient movement of peoples and goods, provides supporting networks in developed areas, and reinforces desired urban form.

TRB 5th International Conference on Roundabouts

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TRB sponsored the 5th International Conference on Roundabouts which took place on May 8-10, 2017, in Green Bay, Wisconsin. The conference focused on research, design, operation, safety, evaluation, and practical experience with the increasingly used roundabout form of an intersection. Visit the proceedings website to view the presentations,  final program.

Access Management Application Guidelines (AMAG)

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TRB's Access Management Application Guidelines (AMAG) focuses on the applications of access management concepts and provides research-based guidelines on access management treatments and procedures for their applications. The AMAG is a how-to tool for continuing the evolution of access management applications in the United States.

ACHIEVING MULTIMODAL NETWORKS

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ACHIEVING MULTIMODAL NETWORKS

APPLYING DESIGN FLEXIBILITY & REDUCING CONFLICTS 

 FHWA-HEP-16-055 Aug 2016

This resource provides practical real-world planning and design information to help communities achieve connected pedestrian and bicycle networks. These networks help people of all ages and abilities get where they need to go, including to and from jobs, school, grocery stores, health care, recreation, and transit. Complete multimodal networks enhance access to opportunity for everyone and help reconnect communities.

Roundabout Practices

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TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 488: Roundabout Practices summarizes roundabout policies, guidance, and practices within state departments of transportation (DOTs) as of 2015. The synthesis may be used as a reference for state agencies that are creating or updating their roundabout and intersection control policies.

Project: Project Information

Operational Effects of Geometrics and Access Management, 2015

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Operational Effects of Geometrics and Access Management, 2015

TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2486, explores 10 papers related to operational effects of geometrics and access management in the transportation sector, including:

Access Management Manual 2014 - 2nd Edition

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TRB’s Access Management Manual, second edition, provides guidance on a coordinated approach to transportation and community design that is designed to help enhance mobility, provide greater mode choice, and improve environmental quality. The content is interdisciplinary, with guidance pertinent to various levels of government as well as to pedestrians, bicyclists, and motorized vehicles, including trucks and buses. Access management is addressed comprehensively, as a critical part of network and land use planning. Key updates include

NCHRP 650: Median Intersection Design for Rural High-Speed Divided Highways

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TRB’s National Cooperative Highway Research Program (NCHRP) Report 650: Median Intersection Design for Rural High-Speed Divided Highways explores common safety issues at median intersections on rural divided highways, and examines innovative geometric and operational treatments for addressing those issues. The report includes ten case studies that illustrate how various treatments have been applied in the field.

Crashes in the Vicinity of Major Cross Roads

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Schultz, G.G., C.G. Allen, and D.E. Eggett, Crashes in the Vicinity of Major Cross Roads, UDOT Report UT-08.25, Brigham Young University, Department of Civil and Environmental Engineering, Provo, Utah (2008) [Schultz, G., C. Allen and T. Boschert, “Making the Most of an Existing System through Access Management at Major Arterial Intersections,” Transportation Research Record: Journal of the Transportation Research Board, No 2171, Transportation Research Board of the National Academies, Washington, D.C. (2010)]

Access Management Guidebook For Major Arterial Intersections

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Plazak, D., C. Albrecht and B. Grefe, Access Management Guidebook For Major Arterial Intersections, Institute for Transportation, Iowa State University, prepared for the Iowa Department of Transportation (2009) This guidebook addresses the importance of managing access at the intersections of major arterial roadways—roadways that carry higher volumes of traffic and are of a greater regional or local significance. Of particular value are the case studies used for illustrating good and poor practices, using actual situations documented at major roadway intersections in Iowa. The guide:

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