Road work ahead sign as a traffic warning in vector format isolated illustration of road sign with change ahead copy dangerous road barrier ahead as black text on white Our road work ahead signs are designed and manufactured to meet mutcd standards for fonts, colors, and reflectivity to keep motorists and construction personnel safe. Road Work Ahead Sign Safetyfirst 4.6 out of 5 stars. Road work ahead sign . They are rust resistant and designated for years of outdoor use. This sign is only used while workers are in the area. There are road workers ahead on or near your path. Work caution sign rhombus sign road repairs uk road work ahead work zone ahead sign road works ahead road sign roadworks road cones set road works sign work zone safety. We recommend non reflective vinyl over mesh as it's a better material that will last. Thes orange, diamond shaped signs meet all mutcd specifications for highway use and are made of durable aluminum. “ people are working o...