Category C – Road closed warnings
Sign C1 – Road closed in both directions to vehicles, riders and persons in charge of animals or livestock
Sign C2 – One-way road, closed in this direction to vehicles, riders and persons in charge of animals or livestock
SIgn C3 – One-way road
Sign C4 – One-way road
Sign C5 – Entry permitted
Sign C6 – Closed to motor vehicles with more than 2 wheels
Sign C7 – Closed to lorries