High Intensity and Diamond Grade Meet DOT and MUTCD State and Federal Guidelines
MUTCD Information: If used, Mandatory Movement Lane Control (R3-5, R3-5a, and R3-7) signs shall indicate only those vehicle movements that are required from each lane and shall be located where the regulation applies. The Mandatory Movement Lane Control (R3-7) sign shall include the legend RIGHT (LEFT) LANE MUST TURN RIGHT (LEFT). The Mandatory Movement Lane Control symbol signs (R3-5 and R3-5a) shall include the legend ONLY. Mandatory Movement Lane Control signs should be accompanied by lane use arrow markings, especially where traffic volumes are high, where there is a high percentage of commercial vehicles, or where other distractions exist.