The purpose of the document is to make available significant national and State inventory and performance data which has not been published elsewhere in this level of detail. The data were collected on a sample basis and furnished by 46 State highway agencies for the 1976 National Highway Inventory and Performance Study (NHIPS). The report primarily contains 1975 data on the physical aspects of the highway plant and its operating and performance characteristics. It includes data for rural and urban arterial and collector systems; local road and street systems are not included in the tables. The report includes tables or figures on type of facility and functional class; volume/capacity ratio; peak hour operating speed and vehicle miles of travel; average overall travel speed and vehicle hours of travel; K, D, and truck factors; pavement type and condition; right-of-way width and land area; and rural horizontal and vertical alignment.
National Highway Inventory and Performance Summary--from the 1976 National Highway Inventory and Performance Study
1977
588 pages
Report
No indication
English
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