{"product_id":"40mph-speed-roundel-white","title":"40mph speed Roundel-White","description":"\u003ch1 data-pm-slice=\"1 1 []\"\u003e40mph Speed Roundel\u003c\/h1\u003e\n\u003cp\u003eA 40mph speed roundel is a regulatory road marking used to indicate the maximum permitted speed on a specific stretch of road, helping drivers recognise the 40mph speed limit at the exact point it starts.\u003c\/p\u003e\n\u003ch2\u003eClear Speed Limit Enforcement at the Point Where 40mph Begins\u003c\/h2\u003e\n\u003cp\u003eOur 40mph speed roundel is designed for clear, compliant speed limit control at entrances, junctions, transition zones, roundabout approaches, and other roads where drivers need an immediate visual warning. Painted onto the \u003ca href=\"https:\/\/readysetsupplied.co.uk\/collections\/thermoplastic-lines-symbols\"\u003ecarriageway\u003c\/a\u003e in the traffic lane, the roundel places the speed message directly in the driver’s forward view.\u003c\/p\u003e\n\u003cp\u003eSpeed limits displayed within a roundel or a red-bordered upright sign are legally enforceable. Roundels must not be used to indicate advisory speeds; they are strictly for mandatory limits. \u003ca href=\"https:\/\/readysetsupplied.co.uk\/collections\/speed-roundels\"\u003eSpeed roundels\u003c\/a\u003e on the road should typically be accompanied by upright speed limit signs to be valid, especially at the start of a new mph speed limit.\u003c\/p\u003e\n\u003cp\u003eA 40mph speed roundel serves as a legally enforceable cap on vehicle speed and warns drivers of transition zones between built-up areas and open roads, supporting safer traffic management for vehicles, goods vehicles, buses, authorised vehicles, pedestrians, and highways users.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0897\/8805\/5897\/files\/Screenshot_2026-05-19_at_22.41.03.png?v=1779226898\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch2\u003eWhy You’ll Love It\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInstant Recognition\u003c\/strong\u003e - Drivers immediately understand the 40mph speed limit begins, with the marking shown clearly on the road surface rather than relying only on road signs at the verge.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnhanced Safety\u003c\/strong\u003e - Helps reduce speed in advance of hazards, junctions, crossings, red routes, parking restrictions, loading areas, waiting controls, stop lines, signals, hatched markings, \u003ca href=\"https:\/\/readysetsupplied.co.uk\/products\/5m-road-line-markings-thermoplastic-roll-premium-quality?_pos=2\u0026amp;_psq=thermoplas\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003edouble white lines\u003c\/a\u003e, and other carriageway features.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLegal Compliance\u003c\/strong\u003e - Road markings are only legally valid if they comply with the standards set forth in the Traffic Signs Manual, specifically Chapter 5, which supports local authorities in meeting statutory duties under the Road Traffic Regulation Act 1984 and the Traffic Management Act 2004.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeather Resistant\u003c\/strong\u003e - Retroreflectivity in road markings is achieved through the use of glass beads, which can be embedded in the material or applied during installation to enhance visibility at night.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProfessional Installation\u003c\/strong\u003e - Easy application using thermoplastic and \u003ca href=\"https:\/\/readysetsupplied.co.uk\/products\/propane-blow-torch?_pos=1\u0026amp;_psq=propane+torch\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003egas torch \u003c\/a\u003emethods helps ensure the correct shape, line, edge, direction, and final placement point.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat Makes It Different\u003c\/h2\u003e\n\u003cp\u003eStandard upright signs can be missed because of sign clutter, lighting, parked vehicles, roadside vegetation, road layout, or driver focus. Roundels are painted on the road surface to be more visible to drivers than standard upright signs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e40mph Speed Roundel\u003c\/strong\u003e is built differently:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGround-Level Visibility\u003c\/strong\u003e - Positioned in the lane where drivers are already looking, helping provide advance notice and a minimum of two seconds’ preview time for safe reaction.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRetroreflective Technology\u003c\/strong\u003e - Glass beads improve night visibility, low-light performance, and recognition distances.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThermoplastic Durability\u003c\/strong\u003e - Thermoplastic markings last longer than paint and are designed to withstand heavy traffic.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompliance Guaranteed\u003c\/strong\u003e - Size requirements for roundels vary based on the approach speed, and our markings are supplied to comply with UK road marking standards.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: visibility of road markings is crucial, with a minimum of two seconds’ preview time recommended for safe driver reaction, which translates to approximately 54 meters of visible line ahead at 60 mph.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0897\/8805\/5897\/files\/Screenshot_2026-05-19_at_22.38.41.png?v=1779226903\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch2\u003eHow It Works\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSite Assessment\u003c\/strong\u003e - We assess the road, entrance, lane width, centre line, traffic lanes, approach speed, junctions, roundabout proximity, and whether upright signs or repeater sign placement is required.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSurface Preparation\u003c\/strong\u003e - The carriageway is cleaned and prepared so the thermoplastic bonds correctly. Materials used for road markings must meet skid resistance requirements, with a Skid Resistance Value (SRV) of at least 45 for standard applications and 55 in high-risk locations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eApplication Process\u003c\/strong\u003e - Preformed thermoplastic is positioned and heated with a gas torch for a clean, easy application in the same way other thermoplastic markings are installed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQuality Check\u003c\/strong\u003e - We check visibility, durability, line definition, retroreflectivity, dimensions, and compliance before the road marking returns to service.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRoad markings should be placed at appropriate points to ensure drivers have enough time to react, with a minimum preview time of two seconds recommended, which equates to approximately 54 meters at 60 mph.\u003c\/p\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMaterial: Preformed thermoplastic with embedded glass beads\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDimensions: Standard roundel diameter as per TSRGD specifications; size requirements for roundels vary based on the approach speed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRetroreflectivity: Meets BS EN 1436 standards for visibility and night-time performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAvailable speeds: \u003ca href=\"https:\/\/readysetsupplied.co.uk\/products\/speed-roundel-5mph?_pos=1\u0026amp;_psq=5mph\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003e5mph\u003c\/a\u003e, \u003ca href=\"https:\/\/readysetsupplied.co.uk\/products\/10mph-speed-roundel-white?_pos=1\u0026amp;_psq=10mph\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003e10mph\u003c\/a\u003e, \u003ca href=\"https:\/\/readysetsupplied.co.uk\/products\/20mph-speed-roundel-white?_pos=1\u0026amp;_psq=20mph\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003e20mph\u003c\/a\u003e, \u003ca href=\"https:\/\/readysetsupplied.co.uk\/products\/30mph-speed-roundel-white?_pos=1\u0026amp;_psq=30mph\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003e30mph\u003c\/a\u003e, 40mph, \u003ca href=\"https:\/\/readysetsupplied.co.uk\/products\/50mph-speed-roundel-white\"\u003e50mph\u003c\/a\u003e, and \u003ca href=\"https:\/\/readysetsupplied.co.uk\/products\/60mph-speed-roundel-white\"\u003e60mph\u003c\/a\u003e options\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDurability: 5-8 years typical lifespan depending on traffic volume, road condition, weather, and heavy traffic wear\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInstallation: Professional application using gas torch heating method\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUse: 40mph zones require regular repeater signs and road surface roundels to keep drivers aware of the limit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFunction: Road markings serve four core functional categories: regulatory, warning, guide, and information, which are essential for safe navigation, especially in low-light conditions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eColours: UK road markings utilize three standard colors: white, yellow, and red, each serving specific purposes such as indicating traffic flow, restrictions, or warnings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRegulatory markings, such as double white lines and yellow boxes, must be renewed promptly if worn to ensure compliance with legal standards and maintain road safety.\u003c\/p\u003e\n\u003ch2\u003eWho It’s For\u003c\/h2\u003e\n\u003cp\u003eIdeal for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eLocal authorities implementing 40mph speed limits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHighway contractors managing road marking projects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePrivate road operators requiring speed control measures\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTraffic engineers designing speed transition zones\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEstates, depots, schools, business parks, and highways teams needing compliant speed limit markings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOn 40mph roads, roundels may act as repeater signs to remind drivers of the limit. If you need visible, durable, legally compliant speed control at the start, end, or along the length of a 40mph route, this product fits your needs.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0897\/8805\/5897\/files\/Screenshot_2026-05-19_at_22.38.56.png?v=1779226906\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow long does a 40mph speed roundel last?\u003c\/strong\u003e\u003cbr\u003eThermoplastic markings typically last 5-8 years, depending on traffic, heavy traffic volume, weather, surface preparation, and maintenance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it legally compliant?\u003c\/strong\u003e\u003cbr\u003eYes, when installed with the required upright signs and in accordance with TSRGD and Traffic Signs Manual Chapter 5.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be installed in all weather?\u003c\/strong\u003e\u003cbr\u003eNo. For best longevity, the road surface should be dry, clean, and suitable for thermoplastic application.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat other speeds are available?\u003c\/strong\u003e\u003cbr\u003eWe supply 5mph, 10mph, 20mph, 30mph, 40mph, 50mph, and 60mph speed roundels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow visible is it at night?\u003c\/strong\u003e\u003cbr\u003eEmbedded glass beads provide retroreflective visibility at night, helping drivers identify the speed limit marking in low-light conditions.\u003c\/p\u003e\n\u003ch2\u003eReady to Upgrade Your Speed Limit Enforcement?\u003c\/h2\u003e\n\u003cp\u003eStop relying on upright signs alone. Choose a professional 40mph speed roundel to improve visibility, compliance, safety, and driver awareness at the point where the speed limit matters most.\u003c\/p\u003e\n\u003cp\u003eContact us for advice, ordering, and professional installation across the full 5mph to 60mph range.\u003c\/p\u003e\n\u003cp\u003eCompliance-focused supply. Professional service. Durable thermoplastic road markings.\u003c\/p\u003e","brand":"Ready Set Supplied","offers":[{"title":"600mm x 600mm","offer_id":58096575185241,"sku":null,"price":49.2,"currency_code":"GBP","in_stock":true},{"title":"750mm x 750mm","offer_id":58096575218009,"sku":null,"price":57.2,"currency_code":"GBP","in_stock":true},{"title":"1200mm x 1200mm","offer_id":58096575250777,"sku":null,"price":81.8,"currency_code":"GBP","in_stock":true},{"title":"2500mm x 1500mm","offer_id":58096575283545,"sku":null,"price":97.3,"currency_code":"GBP","in_stock":true},{"title":"3200mm x 1500mm","offer_id":58096575316313,"sku":null,"price":129.6,"currency_code":"GBP","in_stock":true},{"title":"4300mm x 1500mm","offer_id":58096575349081,"sku":null,"price":209.6,"currency_code":"GBP","in_stock":true},{"title":"7600mm x 1500mm","offer_id":58096575381849,"sku":null,"price":318.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0897\/8805\/5897\/files\/40mph-speed-roundel-white40mph-speed-roundel-white600mm-x-600mm-2552676.png?v=1779246318","url":"https:\/\/readysetsupplied.co.uk\/products\/40mph-speed-roundel-white","provider":"Ready Set Supplied","version":"1.0","type":"link"}