F400 – Metric Speed Limit Information

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. Sign F 400, Speed Limits in km/h, is available to advise drivers that speed limits are in km/h and not miles per hour. This sign may be deployed on roads crossing the border with the North, placed facing traffic entering the Republic. They may also be used at major airports to remind drivers of hire cars, or at ferry ports to remind drivers coming off ferries and along major routes out of cities or any other place where tourists may frequently travel.