Steep Hill Upwards Preformed Thermoplastic Road MarkingThe Steep Hill Up preformed thermoplastic road marking is one of many warning markings we have in our range at Start Traffic. You are most likely to find this sign on rural roads where there is a steep incline that would impact driving conditions. We also offer the Steep hill Down variant if required. Combine this marking with a post mounted steep hill upward warning sign to help reinforce the warning of the change in road conditions. Post mounted