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FHWA Highway Safety Programs

Technical Assistance Online Application

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Highway Safety Manual (HSM)

  • Part A Fundamentals and Human Factors

  • Part B Roadway Safety Management Process

  • Part C Predictive Methods

  • Part D Crash Modification Factors (CMF)

  • Interactive Highway Safety Design Model (IHSDM)

Data Collection

Common data collection issues:

  • Model Inventory of Roadway Elements - Management Information System (MIRE-MIS)

  • Local data systems

  • Data completeness (categories including segments, intersections, curves)

  • Data collection timeliness and update

  • Data accuracy and systemic verification

  • Data uniformity and consistency

  • Data coding standards and protocols

Data Analysis

Common data analysis issues:

  • Crash Modification Factors (CMF)

  • Safety Performance Functions (SPF)

  • Safety Analysis

  • Systemic Approach to Safety

  • Interactive Highway Safety Design Model (IHSDM)

  • Predictive Methods

  • Network screening (methods, data, coverage)

  • Network Calibration

  • Countermeasure selection or comparison

Data Management

Common data management issues:

  • Database administration

  • Data stewards

  • Data policies

  • Data governance councils

  • Data cleansing

  • Data quality standards

  • Performance management

  • Integrating data management across units

  • Service Oriented Architecture (SOA)

  • Open Database Connectivity (ODBC)

Data Interoperability

Common data interoperability and integration issues:

  • Linking data sets (includes Roadway inventory data, traffic data, crash data, injury data, surveillance data, citation data)

  • Merging data sets

  • Data transfers among agencies (local and state)

  • Common platforms

  • Integrated and seamless analytic tools

  • Standard location coding

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