| 圖書| 1. | Yoder, E. J.、Witczak, M. W.(1975)。Principles of Pavement Design。John Wiley & Sons, Inc.。   | | 2. | Federal Highway Administration(1970)。Highway Functional Classification Concepts, Criteria and Procedures。Washington, D. C.。 | | 3. | Federal Highway Administration(1977)。1976 National Highway Inventory and Performance Study。Washington, D. C.。 | | 4. | Federal Highway Administration(1970)。National Highway Functional Classification and Needs Study Manual (1970 to 1990)。Washington, D. C.。 | 其他| 1. | Energy Resources Council(1976)。The Report by the Federal Task Force on Motor Vehicle Goals Beyond 1980，Washington, D. C.。 | |