The key reason for this guide is to establish function over design parameters. The optimal result of reading and applying the principals covered in this brief guide is to have a clearly visible, easily identified emergency and construction vehicles for first responders, highway safety and nighttime driving accident mitigation. A brief background as to the wide range of graphic elements on existing vehicles: There is no federal mandate to have uniform markings, however, making markings consistent and uniform makes the identification of key vehicles and obstacles less stressful and more clearly identifiable, especially in nighttime and weather obscured sites for both emergency and road work/maintenance crews. Diamond-grade conspicuity tapes available In a nutshell, there are a variety of driving skills evident in the number of vehicle crashes into other vehicles and into stationary objects on highways. The incidence of crashes increases with factors of weather, wind, operatin