Keywords: Elongated circle 1315.svg Elongated circular route shield Per the MUTCD this shield is the default state highway marker when no other marker is specified by the state File US DOT FHWA MUTCD SHS 2004 3-6 M1-5 750x600mm 000 DE svg 2010-12-15 Fredddie Elongated circular route shields 1315 1315 number |