State Route Signs
Sept. 12, 2024
American Highways 101: Visual Guide to U.S. Road Sign Designs & Numbering Systems - 99% Invisible State Highway Markers - By State Name Figure 2D-3 Long Description - MUTCD 2009 Edition - FHWA American Highways 101: Visual Guide to U.S. Road Sign Designs & Numbering Systems - 99% Invisible | State Route Signs