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. Signs W 082 and W 083 are available to show that a single carriageway road contains two lanes in one direction and one in the other. The signs should be erected at intervals on both sides of the road