fhwapap04.fhwa.dot.gov
NHSW Home Page | Federal Highway AdministrationPlanning, Environment, and Realty. Research, Development and Technology. Policy and Guidance Center. National Highway Specification Website is a resource that allows you to search and download State and FHWA standard highway specifications books, construction manuals, and standard drawing details. This site allows YOU to search all the books at once, or select certain state to search for their specifications. 2015 - NHSW Website - FHWA. Freedom of Information Act (FOIA). Web Policies and Notices.
http://fhwapap04.fhwa.dot.gov/
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