Ficheiro:US 280.svgDescriptionUS 280.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
Ficheiro:US 280 (1948).svgDescriptionUS 280 (1948).svg 1948 style US Route 280 highway marker Date 7 January 2011, 16:27 (UTC) Source File:US XX (1948).svg Author Fredddie, Levente
Ficheiro:US 280 (1961).svgDescriptionUS 280 (1961).svg 1961 style US Route 280 highway marker Date 13 December 2010, 07:07 (UTC) Source File:US XX 1961.svg Author Fredddie, Scott
Ficheiro:US 280 (1926).svgDescriptionUS 280 (1926).svg Generic U.S. Highway marker, labeled for city use, from the First Edition of the Manual and Specifications for the Manufacture
Ficheiro:I-280 (IA).svgEnglish I-280 Interstate highway shield author name string: Fredddie Wikimedia username: Fredddie URL: https://commons.wikimedia.org/wiki/User:Fredddie