DescriptionCircle sign 623.svg English: Circular route shield 623 Date 9 January 2011, 20:31 (UTC) Source File:Circle sign 3di.svg Author O, SPUI...
DescriptionCircle sign 623 (Virginia).svg Virginia secondary route markers/Iowa primary route markers. Use the circle sign template found on the Commons...
DescriptionCircle sign 623 (small).svg English: Circular route shield Date 8 September 2019, 06:53 (UTC) Source File:Circle sign 4-digit template.svg Author...
DescriptionElongated circle 623.svg Elongated circular route shield. Per the MUTCD, this shield is the default state highway marker when no other marker...