Table 1: Top Eight Factors Contributing to Fatal Crashes by Crash Size, 2004-2008
Thursday, September 6, 2012
Table 1: Top Eight Factors Contributing to Fatal Crashes by Crash Size, 2004-2008
| Factor | All fatal crashes | Single vehicle | Two vehicle | Multi-vehicles (three or more) |
|---|---|---|---|---|
| 1 | Traffic controls | Crash characteristics | Traffic controls | Road characteristics |
| 2 | Speed and route type | Traffic controls | Road characteristics | Speed and route type |
| 3 | Road characteristics | Speed and route type | Speed and route type | Road classification |
| 4 | Weather impacts | Weather impacts | Road classification | Traffic controls |
| 5 | Traffic flow | Road characteristics | Location of crash | Weather impacts |
| 6 | Crash characteristics | Traffic flow | Weather impacts | Drunk driving/light condition |
| 7 | Road classification | Road classification | Drunk driving/light condition | Persons |
| 8 | Persons | Persons | Persons | Location of crash |
NOTES: "Crash characteristic" relates to the crash's relation to the roadway and the first harmful event which occurred; "Persons" relates to the relationship between the number of persons involved in a fatal crash and fatality counts; "Drunk driving/light condition" is driven by the relationship between the FARS variables associated with drunk driving and the time of day.
SOURCE: U.S. Department of Transportation, National Highway Traffic Safety Administration, FARS Database, as of December 2009.