U.S. road system showed substantial improvement from 1998 to 2003
Subtitle: However, progress is slowing and urban interstate congestion worsens.
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- University of North Carolina, Charlotte, research by David T. Hartgen.
- Hartgen, David T
- Publication Date: 2005-4-1
- Pagination: p. 6.
- Urban Transportation Monitor
- Volume: 19
- Issue Number: 6
- Publisher: Lawley Publications
- ISSN: 1040-4880
- Accession Number: 01007493
- Record Type: Publication
- Source Agency: Northwestern University, Evanston
- Files: TLIB
- Created Date: Nov 17 2005 9:22AM