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From page 5...
... III-1 SECTION III The Type of Problem Being Addressed General Description of the Problem Statistics from the Fatality Analysis Reporting System (FARS) indicate that 42,815 people were killed in 38,309 fatal crashes on the U.S.
From page 6...
... SECTION III -- THE TYPE OF PROBLEM BEING ADDRESSED III-2 Fatal, 1.8% Incapacitating 10.0% NonIncapacitating 15.9% Possible Injury 13.7% No Injury 58.5% Source: GES 1999 EXHIBIT III-2 Severity Distribution All crashes on curved-roadway segments Rural 73% Urban 27% EXHIBIT III-3 Location of Fatal Crashes on Horizontal Curves Minor Arterial 17% Principal Arterial - Freeway or Expressway 3% Principal Arterial - Other 16% Principal Arterial - Interstate 10% Collector 31% Local Road or Street 23% EXHIBIT III-4 Location of Fatal Crashes on Horizontal Curves by Roadway Classification The safety of curves is a reflection of both the roadway itself and the roadside environment. Exhibit III-6, which includes crashes of all severities along curved roadway segments (GES, 1999)
From page 7...
... SECTION III -- THE TYPE OF PROBLEM BEING ADDRESSED III-3 Outside Traveled Way, 41% On Traveled Way, 39% Other, 20% Source: GES, 1999 EXHIBIT III-6 Position of Crash Relative to Roadway All crashes on curved-roadway segments 2 la ne s Mo re tha n 2 urban rural 6686 393 1803 712 0 2000 4000 6000 8000 Fatal Crashes urban rural EXHIBIT III-5 Fatal Crashes on Horizontal Curves By Number of Lanes and Rural vs. Urban Thus, ROR and head-on crashes accounted for 87 percent of the fatal crashes at horizontal curves.

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