1 2 3 4 5 6 O'Flaherty, edited by C.A. (2002). Highways the location, design, construction and maintenance of road pavements (4th ed. ed.). Oxford: Butterworth-Heinemann. ISBN978-0-7506-5090-8.CS1 maint: Extra text: authors list (link) CS1 maint: Extra text (link)
1 2 3 4 5 "Highway engineering." McGraw-Hill Concise Encyclopedia of Science and Technology. New York: McGraw-Hill, 2006. Credo Reference. Web. 13 February 2013.
↑ Chin, Antony T.H. “Financing Highways.” The Handbook of Highway Engineering. Ed. T.W. Fwa. CRC Press, 2005.
↑ Estache, A., Romero, M., and Strong, J. 2000. The Long and Winding Path to Private Financing and Regulation of Toll Roads. The World Bank, Washington, DC, 49 pp.
1 2 3 4 5 Aziz, M.A. “Environmental Impact Assessment of Highway Development.” The Handbook of Highway Engineering. Ed. T.W. Fwa. CRC Press, 2005.
↑ World Health Organization, 2004. World Report on Road Traffic Injury Prevention. World Health Organization, Geneva.
1 2 Johnston, Ian. “Highway Safety.” The Handbook of Highway Engineering. Ed. T.W. Fwa. CRC Press, 2005.
1 2 3 Cheu, R.L. “Highway Geometric Design.” The Handbook of Highway Engineering. Ed. T.W. Fwa. CRC Press, 2005.
1 2 Tam, Weng On. “Highway Materials.” The Handbook of Highway Engineering. Ed. T.W. Fwa. CRC Press, 2005.
1 2 3 4 Mamlouk, Michael S. “Design of Flexible Pavements.” The Handbook of Highway Engineering. Ed. T.W. Fwa. CRC Press, 2005.
1 2 3 4 5 6 Fwa, T.F. and Wei, Liu. “Design of Rigid Pavements.” The Handbook of Highway Engineering. Ed. T.W. Fwa. CRC Press, 2005.
1 2 3 4 Tia, Mang. “Overlay Design for Flexible Pavements.” The Handbook of Highway Engineering. Ed. T.W. Fwa. CRC Press, 2005.
1 2 Fwa, T.F. “Overlay Design for Rigid Pavements.” The Handbook of Highway Engineering. Ed. T.W. Fwa. CRC Press, 2005.
1 2 3 Ksaibati, Khaled and Kolkman, Laycee L. “Highway Drainage Systems and Design.” The Handbook of Highway Engineering. Ed. T.W. Fwa. CRC Press, 2005.
