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New Hampshire's Intersection Inventory: Roadway Safety Data and Analysis

File Language:
English


Details

  • Corporate Creators:
    United States. Department of Transportation. Federal Highway Administration. Office of Safety
  • Contributors:
  • Corporate Contributors:
    New Hampshire. Department of Transportation
  • Subject/TRT Terms:
  • Publication/ Report Number:
    FHWA-SA-15-087
  • Resource Type:
    Tech Report
  • Geographical Coverage:
    United States;New Hampshire
  • Corporate Publisher:
    United States. Department of Transportation. Federal Highway Administration. Office of Safety
  • Abstract:
    One of the major challenges transportation agencies face when trying to address intersection safety is not having a sufficient intersection inventory that provides location, operations, or geometrics of the intersections. In 2010, the Federal Highway Administration (FHWA) released the Model Inventory of Roadway Elements (MIRE), which is a recommended list of roadway and traffic volume data elements important to safety management and analysis. The New Hampshire Department of Transportation (NHDOT) was one of two States selected by FHWA to participate as a Lead Agency in the MIRE Management Information System (MIS) effort. FHWA conducted the MIRE MIS Lead Agency Program pilot project to test the feasibility of collecting, storing, and integrating MIRE data into an MIS and then linking roadway inventory data with crash and other relevant data for safety analyses. NHDOT chose to focus their data collection effort on the acquisition of additional intersection elements to expand its use of AASHTOWare Safety Analyst™ primarily to support network screening analyses. After NHDOT completed data collection and integrated the data into the system, they now use the inventory for evaluating roadway safety countermeasures and for performing economic analysis. The intersection inventory supports better safety analysis using data specific to New Hampshire’s roadway network instead of default values or national averages. New Hampshire has benefitted from the state-specific data by targeting their spending by comparing sites and prioritizing locations with greater potential for improvement.
  • Format:
    PDF
  • Collection(s):
  • Main Document Checksum:
    urn:sha-512:b7a4afa651e4cae091f8ac37398809a3c18bf821b3f0606b97a598e0cc5b61a254531a4e085d1b9355356a77b6a18a60cdfe45edfe28a5de8712856b6b8aafa5
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  • File Type:
    Filetype[PDF - 508.31 KB ]
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