CE Certified Road sign manufactured in Knocktopher, Kilkenny. CE certification is a required standard for Road Signs in the EU since 2013. National Roads- Unlit Area: RA1 if AADT<3500, RA2 if AADT is >3500. Lit Area: RA2. Regional Roads- Unlit Area:RA1. Lit Area: RA2. Local Roads- Unlit and Lit Area: RA1. Roadworks- Unlit and Lit Area: RA2. The Turn Left Sign, RUS 006, and Turn Right Sign, RUS 005, indicate that vehicular traffic must turn in the direction indicated by the arrow at that location. In addition to its use in traffic management, the Turn Left Sign should also be used:on the central island of roundabouts in conjunction with the Chevron board (Sign W 062L or W 063L) described in Chapter 6; and on the central reserve of dual carriageways at junctions where there is no central reserve break.