The spacing of crossroads in the vicinity of interchanges can have operational and safety impacts on a street system. The deployment of access management strategies in these areas can also have potential influence on the economic vitality of a roadway network, but how best to balance these critical issues with access management strategies in not yet fully understood. The TRB National Cooperative Highway Research Program's NCHRP Research Report 977: Access Management in the Vicinity of Interchanges, Volume 2: Research Overview summarizes the research so far for access management in the vicinity of interchanges. This is the second volume to NCHRP Research Report 977: Access Management in the Vicinity of Interchanges, Volume 1: Practitioner's Guide.
By discussing statistical concepts in the context of transportation planning and operations, Transportation Statistics and Microsimulation provides the necessary background for making informed transportation-related decisions. It explains the why behind standard methods and uses real-world transportation examples and problems to illustrate key conc
TRB's National Cooperative Highway Research Program (NCHRP) Report 817: Validation of Guidelines for Evaluating the Moisture Susceptibility of WMA Technologies presents validated guidelines proposed for identifying potential moisture susceptibility in warm mix asphalt (WMA) during mix design. The report further corroborates the moisture susceptibility thresholds described in NCHRP Report 763: Evaluation of the Moisture Susceptibility of WMA Technologies.
Careful management of access points along crossroads in the vicinity of interchanges can help enhance operational and safety performance at these complex, transportation facilities. The TRB National Cooperative Highway Research Program's NCHRP Research Report 977: Access Management in the Vicinity of Interchanges, Volume 1: Practitioner's Guide provides an overview of common interchange configurations and the known impacts of access management on crossroads at these locations. Supplemental to the report is NCHRP Research Report 977: Access Management in the Vicinity of Interchanges, Volume 2: Research Overview; a suite of PowerPoint slides on the Importance of Access Management, Influential Factors, Assessment Methods, a Case Study Example, and Management Methods; and the Access Management Interchange Decision Tool, which is a spreadsheet for estimating expected corridor speeds as they relate to driveway spacing guidelines.
TRB's National Cooperative Highway Research Program (NCHRP) Report 817: Validation of Guidelines for Evaluating the Moisture Susceptibility of WMA Technologies presents validated guidelines proposed for identifying potential moisture susceptibility in warm mix asphalt (WMA) during mix design. The report further corroborates the moisture susceptibility thresholds described in NCHRP Report 763: Evaluation of the Moisture Susceptibility of WMA Technologies.
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