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. Continuity signing along the route should consist of direction signs with just the symbol – Route Continuity sign, Sign T 104 – or the symbol with either the name of the route or the word ‘Tour’ – Tour Continuity sign, Sign T 105