Datei:MA Route 21.svgDescriptionMA Route 21.svg English: 600 mm by 600 mm (24 in by 24 in) Massachusetts Route shield, made to the specifications of the 1996 edition of Construction
Datei:MA Route 15A.svgDescriptionMA Route 15A.svg 750 mm by 600 mm (30 in by 24 in) Massachusetts Route shield, made to the specifications of the 1996 edition of Construction