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U.S. Department of Energy
Office of Scientific and Technical Information

Urban roadway congestion: Annual report, 1998

Technical Report ·
OSTI ID:679077

This report documents roadway congestion and mobility measures in 70 major urban areas in the United States. This study contains vehicle travel, facility length and operation estimates, and urban area characteristics from 1982 to 1996 for each of these urban areas. Various federal, state, and local agencies provided the information used to update and verify the primary database--the Federal Highway Administration`s Highway Performance Monitoring System (HPMS).

Research Organization:
Texas Transportation Inst., College Station, TX (United States); California State Dept. of Transportation, Sacramento, CA (United States); Colorado Dept. of Transportation, Denver, CO (United States); Oregon Dept. of Transportation, Salem, OR (United States); Pennsylvania Dept. of Transportation, Harrisburg, PA (United States); Texas A and M Univ., College Station, TX (United States)
OSTI ID:
679077
Report Number(s):
PB--99-158842/XAB
Country of Publication:
United States
Language:
English