Figure 1-2:
Registered Highway Vehicle Trends: 1987-97

¹ Includes vans, light trucks, and sport utility vehicles.

² Includes all single-unit trucks with at least 2 axles and 6 tires.

KEY: P = preliminary.

SOURCES: 1987–95: U.S. Department of Transportation, Federal Highway Administration. Highway Statistics Summary to 1995 (Washington, DC: 1997), table MV-201 and VM201a.

1996–1997: _____. Highway Statistics 1997 (Washington, DC: 1999),table VM-1.