U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
Safety Assessment Method: SPF with CMF Adjustment
Project Phase: Preliminary & Final Design
Project Type: 4R
Related Task: Design Exception
Calculation Method: Hand Calculated (Tool based example included in Problem 4.3)
Comments: This example problem demonstrates how to evaluate the effect a design decision can have on the estimated number of crashes for a rural two-lane, two-way highway horizontal curve re-alignment project.
Level of Analysis: Intermediate
Note: See table 3 for a full definition of Project Type designations.
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