Table 4,,, Fatalities in Motor Vehicle Crashes by Number of Vehicles and Alcohol Involvement: 2003,,, ,,, "Number of vehicles",Fatalitiesa,"Alcohol involvementb",Percentc Occupants,"37,132","14,476",39 Single-vehicle crashes,"18,175","8,939",49 Two-vehicle crashes,"15,795","4,606",29 "More than two-vehicle crashes","3,162",931,29 Pedestrians,"4,749","2,253",47 Single-vehicle crashes,"4,288","2,014",47 Multiple-vehicle crashes,457,239,52 Pedalcyclists,622,238,38 Single-vehicle crashes,589,220,37 Multiple-vehicle crashes,33,19,55 Others/unknown,140,46,33 Total ,"42,643","17,013",40 a Fatalities in all crashes.,,, b Fatalities in crashes that involve alcohol.,,, c Percentage of all crash fatalities that involve alcohol.,,, Notes: Numbers may not add to totals due to rounding. ,,, A motor vehicle crash is considered to be alcohol-related if at least one driver or nonoccupant (such as a pedestrian or pedalcyclist) involved in the crash is determined to have had a blood alcohol concentration of 0.01 grams per deciliter or greater. ,,, The National Highway Traffic Safety Administration estimates alcohol involvement when test results are unknown.,,, "Source: U.S. Department of Transportation, National Highway Traffic Safety Administration, Fatality Analysis Reporting System (FARS) database, personal communication, October 2004.",,,