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ROADWAY SAFETY PROFESSIONAL CAPACITY BUILDING PROGRAM
 

Road Safety Fundamentals
Concepts, Strategies, and Practices that Reduce Fatalities and Injuries on the Road

U.S. Department of Transportation, Federal Highway Administration

UNIT 4. Solving Safety Problems

Table: Calculating benefits due to crash reduction
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Crash Severity Fatal A-injury B-injury C-injury PDO
I Expected Crashes per Year before Roundabout 0 1 1 2 6
II CMF N/A 0.19 0.19 0.19 N/A
III Expected Crashes per Year after Roundabout (I x II) 0 0.19 0.19 0.38 6
IV Crash reduction benefit (I minus III) 0 0.81 0.81 1.62 0

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Contacts

RSPCB Program Point of Contact
Felix Delgado, FHWA Office of Safety
Felix.Delgado@dot.gov
FHWA Office of Safety

Staff and Primary Work Responsibilities
FHWA Office of Safety

Safety and Design Team
FHWA Resource Center

National Highway Institute

Federal-Aid Division Offices

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