TY - BOOK ED - International Road Federation (Washington) TI - A Report covering an international survey of current research and development on roads and road transport U1 - 385 21st PY - 1977/// CY - Washington, DC PB - The Author KW - Highway research-United States; Transportation, Automative-United States-Roads-Surveying N1 - A report covering a inventory of 54 countries -Sponsored by U.S. Department of Transportation, Federal Highway Administration, Washington, D C ER -