File:I-664.svgTraffic Control Devices, sign number M1-1, which states specifically on page I-1 that: Any traffic control device design or application provision contained
File:I-664 (1961).svgDescriptionI-664 (1961).svg English: 30 in by 25 in (750 mm by 625 mm) Interstate shield, made to the specifications of the 1961 MUTCD (specs from Caltrans)
File:I-664 (1957).svgDescriptionI-664 (1957).svg English: 24 in by 24 in (600 mm by 600 mm) Interstate shield, made to the specifications of the 1961 MUTCD (specs from Caltrans)
File:Copyleft Pirate symbol.svgthe following images: File:Copyleft.svg licensed with PD-ineligible 2008-12-23T12:39:54Z Link Mauve 512x512 (664 Bytes) Using of viewBox, for the external