High Intensity and Diamond Grade Meet DOT and MUTCD State and Federal Guidelines
MUTCD Information: Hill-Related (W7-2 series, W7-3 series) plaques or other appropriate legends and larger signs should be used for emphasis or where special hill characteristics exist. On longer grades, the use of the distance plaque (W7-3a Next (distance) Miles Sign or W7-3b) at periodic intervals of approximately 1.6 km (1 mi) spacing should be considered.