Arizona Highway Department, Environmental Planning No description specified. 1-2 (2 Records) Documents Archaeological Resource Report: Arizona Highway Department Project F-043-1 (1), Hohokam Freeway (1973) Arizona Highway Department Project S-211-201 (PE) Clarkdale-Coconino Co. Line Corridor Studies for Clarkdale-Williams Highway Proposed Sr279, Alternate Routes a & D (1972)