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. Some prohibitions or restrictions are only enforced at certain times of day, or on certain days. Supplementary Plate P 051 may be used for this
purpose. The text should be in the format shown, with
details varied to suit the particular circumstances. The periods listed should be kept as simple as possible, to make the plate easy to read and understand.