File:US 278.svgDescriptionUS 278.svg English: 750 mm × 600 mm (30 in × 24 in) U.S. Highway shield, made to the specifications of the 2004 edition of Standard Highway
File:US 278 (AR).svgDescriptionUS 278 (AR).svg US 278, as seen in Arkansas. Date 6 June 2010 Source Own work Author Fredddie
File:US 278 (1948).svgDescriptionUS 278 (1948).svg 1948 style US Route 278 highway marker Date 7 January 2011, 16:27 (UTC) Source File:US XX (1948).svg Author Fredddie, Levente
File:US 278 (1961).svgDescriptionUS 278 (1961).svg 1961 style US Route 278 highway marker Date 13 December 2010, 07:06 (UTC) Source File:US XX 1961.svg Author Fredddie, Scott
File:US 278 Truck.svgDescriptionUS 278 Truck.svg English: Georgia-variant U.S. Highway special route markers Date 11 February 2017, 22:37 (UTC) Source Own work Author Fredddie