No Right Turn Across Tracks Sign- R3-1a

R3-1a No Right Turn Across Tracks Sign Reflective Sheeting on Aluminum Radius Corners 3/8" Prepunched Holes High Intensity and Diamond Grade Meet DOT and MUTCD State and Federal Guidelines MUTCD Information: Light rail transit operations can include the use of activated blank-out sign technology for turn prohibition (R3-1a, R3-2a) signs. The signs are typically used on roads paralleling a semiexclusive or mixed-use light rail transit alignment where road users might turn across the light rail transit tracks. A blank-out sign displays its message only when activated. When not activated, the sign face is blank.