File:I-287.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:Jackson County Route 287 AL.svgJackson County Route 287 shield in Alabama. Based upon Image:US_DOT_FHWA_MUTCD_SHS_2004_3-7_M1-6_450x450mm_00.svg. Edited in w:Inkscape. English applies
File:I-287 (1957).svgDescriptionI-287 (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:I-287 (1961).svgDescriptionI-287 (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-287 (long).svgso it shows up; in reality, signs have no outside border. Everything else is approximated from sign photos, as I have no other specifications. English