{"product_id":"left-shoulder-closed-w21-5al","title":"Left Shoulder Closed Sign W21-5aL","description":"\u003cp\u003eThe W21-5aL warns drivers that the left shoulder is closed due to construction or maintenance activity. Black \"LEFT SHOULDER CLOSED\" legend on a fluorescent orange retroreflective background. Used under MUTCD Part 6 for temporary traffic control.\u003c\/p\u003e\n\u003cp\u003eThree sizes match MUTCD roadway classifications. The 30\" x 30\" is for low-volume roads. The 36\" x 36\" is for conventional single and multi-lane roads. The 48\" x 48\" is for expressways and freeways. The 30\" and 36\" sizes mount to a single post with two 3\/8\" holes at top and bottom. The 48\" size requires a two-post mount with four 3\/8\" holes.\u003c\/p\u003e\n\u003cp\u003eSign post, mounting hardware, and brackets are sold separately.\u003c\/p\u003e\n\u003cp\u003eNOTE: 48\" signs ship truck freight.\u003c\/p\u003e","brand":"Road Signs","offers":[{"title":"30\" x 30\" \/ Diamond Grade Fluorescent Orange","offer_id":46755716038796,"sku":"S3030W215ALDAC","price":90.2,"currency_code":"USD","in_stock":true},{"title":"30\" x 30\" \/ High Intensity Prismatic (HIP)","offer_id":46755716071564,"sku":"S3030W215ALHAC","price":82.58,"currency_code":"USD","in_stock":true},{"title":"36\" x 36\" \/ Diamond Grade Fluorescent Orange","offer_id":46623891882124,"sku":"S3636W215ALDAC","price":132.02,"currency_code":"USD","in_stock":true},{"title":"36\" x 36\" \/ High Intensity Prismatic (HIP)","offer_id":46755716104332,"sku":"S3636W215ALHAC","price":121.38,"currency_code":"USD","in_stock":true},{"title":"48\" x 48\" \/ Diamond Grade Fluorescent Orange","offer_id":46755716137100,"sku":"S4848W215ALDAC","price":198.66,"currency_code":"USD","in_stock":true},{"title":"48\" x 48\" \/ High Intensity Prismatic (HIP)","offer_id":46755716169868,"sku":"S4848W215ALHAC","price":209.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/8527\/5532\/files\/LEFTSHOULDERCLOSEDW215AL.jpg?v=1773212612","url":"https:\/\/roadsigns.com\/products\/left-shoulder-closed-w21-5al","provider":"Road Signs","version":"1.0","type":"link"}