Books by Raymond G. Biggs:
Books in the extended shelves:
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Biggs, Raymond G.: Freeway modifications to increase traffic flow (Federal Highway Administration, Offices of Research and Development, Implementation Division : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1980), also by William R. McCasland, United States. Federal Highway Administration. Implementation Division, and Texas Transportation Institute (page images at HathiTrust)- Biggs, Raymond G.: Freeway modifications to increase traffic flow (The Administration :, 1980), also by William R. McCasland, United States. Federal Highway Administration. Implementation Division, United States. Highway Design Division, and Texas Transportation Institute (page images at HathiTrust)
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