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Analysis Of Design Attributes And Crashes On The Oregon Highway System, James G. Strathman, Kenneth Dueker, Jihong Zhang, Timothy Williams

Center for Urban Studies Publications and Reports

Since the passage of the Highway Safety Act of 1966, state departments of transportation have engaged in systematic safety improvement planning and programming. According to Davis (2000), the general approach to safety improvement planning employed by most states follows six principal steps:

1. Identification of hazardous roadway locations using crash records;

2. Detailed engineering study of selected hazardous locations to identify roadway design problems;

3. Identification of potential countermeasures;

4. Assessment of the costs and benefits of potential countermeasures;

5. Implementation of countermeasures with the highest net benefits;

6. Assessment of countermeasure effectiveness following implementation.

All planning processes are subject …