Documents in the Category: all

NCHRP Report 420 Impacts of AM Techniques

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This report classifies access management techniques and presents methods for estimating the safety and operational effects of the different techniques. For some techniques, quantitative assessment was not practical and case studies are presented to demonstrate good and poor practice. This report will be very useful to those developing access guidelines and policy and those analyzing specific access situations. 

The Relationship Between Access Density and Accident Rates: Comparisons of NCHRP Report 420 and Minnesota Data

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This digest summarizes findings of National Cooperative Highway Research Program (NCHRP) Project 3-52A, "Impacts of Access-Management Techniques." NCHRP Report 420, "Impacts of Access Management Techniques" (1999), presents relationships between access density and accident rates. This digest uses additional data from Minnesota to confirm these relationships. The digest is organized as follows: Introduction; Problem Statement; Objective and Approach; Background; Results; Comparisons; and Accident Rate Indices. 

NCHRP Synthesis 348: Improving the Safety of Older Road Users

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TRB's NCHRP Synthesis 348: Improving the Safety of Older Road Users examines programs and policies in place across the country to improve the safety and mobility of older road users. The report documents a range of strategies and related programs under way in roadway engineering, driver licensing, public information and education, and enforcement and adjudication.

 

Regional Implementation of Access Management

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The Maricopa Association of Governments (MAG) conducted a survey of Metropolitan Planning Organizations (MPOs) to assess the implementation of access management at the regional level. The intent of the survey was to determine if access management was being implemented at the regional level; what had been implemented; and how implementation was achieved. Survey responses were divided into three categories: all respondents, respondents serving a population of one million or more (population subset), and respondents serving 25 or more member agencies (agency subset).

Development of the Des Moines Access Management Plan

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Plazak, D., A. Garms, and J. Rees, Development of the Des Moines Access Management Plan, prepared for the Iowa Department of Transportation, Iowa State University (2004);   [Plazak, D., A. Garms, and J. Rees, “Access Management Plan and Program for Des Moines, Iowa, Metropolitan Area,” Transportation Research Record: Journal of the Transportation Research Board, No 1981, Transportation Research Board of the National Academies, Washington, D.C. (2006); Plazak, D., A. Garms, and J.

Update of Florida Crash Reduction Factors and Countermeasures to Improve the Development of District Safety Improvement Projects

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Gans, A., J. Shen, and A. Rodriguez, Update of Florida Crash Reduction Factors and Countermeasures to Improve the Development of District Safety Improvement Projects, prepared for the Florida Department of Transportation, (April 2005)

      This report includes numerous citations of operational and geometric modifications impact crash types. Some of which are access management related.

Proposal for Incorporating Public Transit Provisions into a State Highway Access Management Code

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Lutin, J. M., “Proposal for Incorporating Public Transit Provisions into a State Highway Access Management Code,” Transportation Research Record: Journal of the Transportation Research Board, No. 2171 , Transportation Research Board of the National Academies, Washington, D.C., (2010) pp. 52-56.

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