Download or read book National Highway Functional Classification and Needs Study Manual (1970-1990). written by United States. Bureau of Public Roads and published by . This book was released on 1970 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: This manual has been prepared to guide Bureau of Public Roads field offices, the States, and local governments in preparing estimates of needs on consistently defined functional systems using uniform procedures. The objective of the study is to provide reliable data upon which consideration of future highway financing and responsibility can be based.