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 Keep Left Sign, RUS 001, and Keep Right Sign, RUS 002, indicate that all traffic (including pedal cycles, low powered e-mopeds and e-scooter users) must pass the sign on the side indicated by the arrow.
This is the direction or route in which all traffic must proceed. The Keep Left Sign is generally used at traffic islands, refuges and the central reserves of dual carriageway roads. It is commonly used on one or more aspects of illuminated bollards. It is also used extensively at temporary roadworks to indicate the required movement of vehicles past the works area.