Sign for County Route 447 in Washoe County, Nevada. 450 mm by 450 mm (18 in by 18 in) county route shield, made to the specifications of the 2004 edition of Standard Highway Signs (sign M1-6).
Self-created, based on Image:US DOT FHWA MUTCD SHS 2004 3-7 M1-6 450x450mm 00.svg
Ljthefro