Research

Access Management Manual, 2nd ed.

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.

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Air Quality 2014, Vol. 1

TRB's Transportation Research Record: Journal of the Transportation Research Board, No. 2427 consists of 9 papers that examine ecospeed-controlled vehicles at signalized intersections; the attributes and value of ecologically friendly route choices; network-wide vehicle energy consumption and ecorouting; fuel economy of ecodriving programs in Manila, Philippines, and Tokyo, Japan; and preliminary testing and evaluation of ecolane applications.

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Evaluation of the Flashing Yellow Arrow (FYA) Permissive Left-Turn in Shared Yellow Signal Sections

 Via Transportation Research Board

TRB’s National Cooperative Highway Research Program (NCHRP) has released Web-Only Document 207: Evaluation of the Flashing Yellow Arrow (FYA) Permissive Left-Turn in Shared Yellow Signal Sections analyzes driver behavior and comprehension related to the FYA permissive left-turn indication when added to three- and five-section traffic signal displays.

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