{"product_id":"alternate-route-marker-plaque-m4-1","title":"Alternate Route Marker Plaque M4-1","description":"\u003cp\u003eMarks an officially designated alternate routing of a numbered highway between two points on that route, mounted directly above the route sign (MUTCD Section 2D.17, M4-1P in the 2023 edition). The MUTCD does not allow it for incident or emergency detours that are not part of the numbered system.\u003c\/p\u003e\n\u003cp\u003eSizes 24\" x 12\" and 36\" x 18\" follow the MUTCD table; 30\" x 15\" is an extra size between them. The long word is set in condensed letters to fit the plate. Sign post, mounting hardware, and brackets are sold separately.\u003c\/p\u003e","brand":"RoadSigns.com","offers":[{"title":"24\" x 12\" \/ 3M High Intensity Prismatic","offer_id":63466315022476,"sku":"RS-M4-1-24x12-HIP","price":34.16,"currency_code":"USD","in_stock":true},{"title":"24\" x 12\" \/ 3M Diamond Grade DG3","offer_id":63466315055244,"sku":"RS-M4-1-24x12-DG3","price":41.78,"currency_code":"USD","in_stock":true},{"title":"30\" x 15\" \/ 3M High Intensity Prismatic","offer_id":63466315088012,"sku":"RS-M4-1-30x15-HIP","price":49.25,"currency_code":"USD","in_stock":true},{"title":"30\" x 15\" \/ 3M Diamond Grade DG3","offer_id":63466315120780,"sku":"RS-M4-1-30x15-DG3","price":60.97,"currency_code":"USD","in_stock":true},{"title":"36\" x 18\" \/ 3M High Intensity Prismatic","offer_id":63466315153548,"sku":"RS-M4-1-36x18-HIP","price":72.29,"currency_code":"USD","in_stock":true},{"title":"36\" x 18\" \/ 3M Diamond Grade DG3","offer_id":63466315186316,"sku":"RS-M4-1-36x18-DG3","price":95.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/8527\/5532\/files\/alternate-plaque-m4-1.jpg?v=1792751093","url":"https:\/\/roadsigns.com\/products\/alternate-route-marker-plaque-m4-1","provider":"RoadSigns.com","version":"1.0","type":"link"}