--- title: What is Road Surface Friction Coefficient? description: Uncover the secret of Road Friction! Learn about the Coefficient, your truck's dance with the road, and winter driving heroes. Stay safe and in control image: https://intblog.onspot.com/hubfs/Blog_images/640pxl%20%20Pictures/Traction%20Aids%20For%20Heavy%20Vehicles%20Blog%20Post%204-3%20640w.jpg --- [![](https://www.onspot.com/imagevault/publishedmedia/ewjmu1x672ip2pj4oovu/Onspot_Logo.png)](https://www.onspot.com/en-GB/) - [Why Onspot](https://www.onspot.com/en-GB/why-onspot/) - Knowledge - [Overview](https://www.onspot.com/en-GB/knowledge/overview/) - [Ways to increase traction](https://www.onspot.com/en-GB/knowledge/ways-to-increase-traction/) - [For fleet managers](https://www.onspot.com/en-GB/knowledge/for-fleet-managers/) - [For drivers](https://www.onspot.com/en-GB/knowledge/for-drivers/) - [For mechanics](https://www.onspot.com/en-GB/knowledge/for-mechanics/) - [Rules & regulations](https://www.onspot.com/en-GB/knowledge/rules--regulations/) - [Knowledge centre](https://knowledge.onspot.com/knowledge-centre-for-winter-driving-and-traction) - The product - [Overview](https://www.onspot.com/en-GB/the-product/overview/) - [Testimonials](https://www.onspot.com/en-GB/the-product/testimonials/) - [FAQ](https://www.onspot.com/en-GB/the-product/faq/) - [Documents, manuals and brochures](https://www.onspot.com/en-GB/the-product/documents-manuals-brochures/) - [Tech specs](https://www.onspot.com/en-GB/the-product/tech-specs2/) - [Spare parts](https://www.onspot.com/en-GB/the-product/spare-parts/) - [Configurator](https://www.onspot.com/en-GB/configurator/) - About us - [Overview](https://www.onspot.com/en-GB/about-onspot/overview/) - [History](https://www.onspot.com/en-GB/about-onspot/history/) - [News & Press releases](https://intblog.onspot.com/news-press-releases) - Blog - [Blog articles](https://intblog.onspot.com/) - [All about automatic snow chains](https://knowledge.onspot.com/en-gb/all-about-automatic-snow-chains) - [Traction aid for heavy vehicles](https://knowledge.onspot.com/en-gb/traction-aid-for-heavy-vehicles) - Find us - [For Dealers & Service](https://www.onspot.com/en-GB/find-us/for-dealers--service/) - [Events](https://www.onspot.com/en-GB/find-us/events/) - [E-Training](https://www.onspot.com/en-GB/training/) - [English](https://onspot.com/?s=false) - [Contact us](https://www.onspot.com/en-GB/contact-us/) # What is Road Surface Friction Coefficient? Written by [Ulrik Andersson](https://intblog.onspot.com/author/ulrik-andersson), January 4, 2024 Unlock the Secrets of the Road Surface Friction Coefficient with this Simple Guide! Discover More Now. Ever wondered how your truck or bus hugs the road? It's all about the Road Surface Friction Coefficient – a fancy term for the secret sauce that determines traction and grip. Don't worry; we're breaking it down for you in simple terms. **What's the Friction Coefficient?** Think of it as a buddy system between your tires and the road. A higher number means a tighter grip, like a trusty handshake. On the flip side, a lower number signals a bit of slip and slide. **It's a Chameleon!** This buddy system changes with the weather. A sunny day on a smooth road might give you a high coefficient (around 0.7 to 0.8), making your ride feel like a joyous dance. But throw in some snow or rain, and that coefficient takes a dip, making your tires do the cha-cha with the road. **Meet the Crew: Asphalt, Wet Roads, and Icy Surfaces** - *Dry Asphalt Road:* Think of it as a high-five with a friction coefficient of about 0.7 to 0.8. - *Wet Road:* A bit slippery, with a reduced coefficient ranging from 0.4 to 0.6. - *Icy Road:* Now it gets tricky, with a significantly lower coefficient, often below 0.2. Time to tread lightly! ![Onspot_ambulance_with_traction - 1280x 647](https://intblog.onspot.com/hs-fs/hubfs/Blog_images/1750%20and%201920pxl%20Pictures/Onspot_ambulance_with_traction%20-%201280x%20647.jpg?width=661&height=334&name=Onspot_ambulance_with_traction%20-%201280x%20647.jpg) **Automatic Snow Chains – Your Winter Heroes** Ever heard of automatic snow chains? They're like winter boots for your tires, providing extra grip on snowy or icy roads. Picture them as your vehicle's winter superheroes. **What They Do:** - *Enhanced Traction in Snow:* Automatic snow chains give your tires superhero strength on icy surfaces, upping the friction coefficient game. - *Impact on Coefficient:* When these heroes spring into action, your friction coefficient goes up on snow-covered roads, ensuring your ride stays steady and in control. Perfect for those winter wonderland adventures. - *Adaptability:* The best part? These heroes are adaptable. They jump into action when you need them, navigating you through winter challenges for safer, stress-free drives. Understanding this superhero dynamic is your key to conquering winter roads. Automatic snow chains aren't just accessories; they're your sidekick for optimal performance and safety. Learn even more about traction aid for heavy vehicles by clicking the blue button below: [![Traction aid for heavy vehicles](https://no-cache.hubspot.com/cta/default/1905643/2a7f0baf-8ea5-4bb0-b66c-7170979c418b.png)](https://cta-redirect.hubspot.com/cta/redirect/1905643/2a7f0baf-8ea5-4bb0-b66c-7170979c418b)   [road safety](https://intblog.onspot.com/topic/road-safety) ![Ulrik Andersson](https://intblog.onspot.com/hubfs/Ulrik%20Andersson%202024%2016-9%20vertical_edited%20II.jpg) #### About [Ulrik Andersson](https://intblog.onspot.com/author/ulrik-andersson) ## Comments ### Subscribe to blog updates ### Recent Posts ### Posts by Topic - [Automatic Snow Chains (74)](https://intblog.onspot.com/topic/automatic-snow-chains) - [Fleet Managers (53)](https://intblog.onspot.com/topic/fleet-managers) - [Rescue Driving (44)](https://intblog.onspot.com/topic/rescue-driving) - [onspot (43)](https://intblog.onspot.com/topic/onspot) - [Commercial Drivers (42)](https://intblog.onspot.com/topic/commercial-drivers) - 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