The sign you mentioned, Directional indication by arrows (1000-11), indicates different directions that vehicles may take at an intersection or roadway. Each arrow on the sign points toward the direction that is permitted for traffic.

In general, this sign helps to provide clarity on how vehicles should navigate intersections, ensuring that drivers understand which paths they are authorized to take, whether it's going straight, turning left, or turning right.

It's important for drivers to follow these arrows to maintain proper traffic flow and enhance safety on the roads. Failing to comply with the directional indications can lead to confusion, potential accidents, or violation of traffic laws.

If you have any more questions about traffic rules or need help with another sign, feel free to ask!