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. Wherever a public road approaches an unprotected body of water, such as a river, canal or quayside, Sign W 160, Unprotected Water, should be provided. The sign may be used as an advance warning on the approach to a quayside, and at intervals along the unprotected length.