AASHTO A policy on geometric design of highways and streets... 6th edi Geometric design of highways and streets - 6th - Washington, D.C. : American Association of State Highway and Transportation Officials, ©2011- - volumes : illustrations, plans ; 28 cm - Triennial - 5th ed. (2004)- Issues before 2004 cataloged as monographs. 5 DLC LCCN: 2006209810 Subjects--Topical Terms: Roads--Design and construction.--United StatesStreets--Design and construction.--United StatesHighway engineering--United States.Highway engineering.Roads--Design and construction.Streets--Design and construction.Rodovias (projeto) Subjects--Geographic Terms: United States. LC Class. No.: TE175 / .P65 Dewey Class. No.: 0