File:US 80.svgDescriptionUS 80.svg English: 600 mm × 600 mm (24 in × 24 in) U.S. Highway shield, made to the specifications of the 2004 edition of Standard Highway Signs
File:US speed limits.svg60 mph, darkest green color (certain counties in Texas) is 80 mph. From Blank_US_Map.svg (by Wikicommons user Theshibboleth) and Texas county map, also
File:USBR 80 (2009).svgEnglish route shield for U.S. Bicycle Route 80 applies to jurisdiction: United States of America determination method: work of the federal government
File:US 80 (1961 cutout).svgDescriptionUS 80 (1961 cutout).svg English: 24 in by 24 in (610 mm by 610 mm) California-style U.S. Route shield, made to the specifications of the 2002