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FHWA Home / Safety / Local and Rural Road / Roadway Safety Information Analysis

Program Contact

Rosemarie Anderson
rosemarie.anderson@dot.gov
(202) 366-5007
 

Roadway Safety Information Analysis: A Manual for Local Rural Road Owners

Table of Contents


Long Description for Figure 2. Relationship between Available Information and Analysis Possibilities

This image depicts the information provided in the following table:

With this information... ...this analysis is possible
Roadway elements (travelway width, shoulder type/width)
  • Countermeasure selection by roadway characteristics
Contributing circumstances to crash
  • Countermeasure selection
Crash severity
  • Severe crash rate
  • Fatal crash rate
Crash type
  • Crash rates by crash type
Traffic levels
  • Systematic analysis by crash rate
  • Crash rate by traffic levels
Crashes by route
  • Systematic analysis by route
Crash location (GPS milepost, or distance from known point)
  • Cluster analysis
  • Pin maps
  • GIS mapping


Return to Figure 2.

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Page last modified on June 17, 2011
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