File:US 270.svgDescriptionUS 270.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 270 (1926).svgDescriptionUS 270 (1926).svg Generic U.S. Highway marker, labeled for city use, from the First Edition of the Manual and Specifications for the Manufacture
File:US 270 (AR).svgDescriptionUS 270 (AR).svg US 270, as seen in Arkansas. Date 6 June 2010 Source Own work Author Fredddie
File:US 270 (1948).svgDescriptionUS 270 (1948).svg 1948 style US Route 270 highway marker Date 7 January 2011, 16:26 (UTC) Source File:US XX (1948).svg Author Fredddie, Levente
File:US 270 (1961).svgDescriptionUS 270 (1961).svg 1961 style US Route 270 highway marker Date 13 December 2010, 07:05 (UTC) Source File:US XX 1961.svg Author Fredddie, Scott