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 No Overtaking Sign, RUS 014, prohibits overtaking at locations where it is considered dangerous to do so. It should be noted that vehicles are prohibited from parking on a stretch of roadway with less than 3 traffic lanes where RUS 014 has been provided.