No bicycles

What does this sign mean?

1. Bicycles are not allowed on this road. (Correct answer) ✓
2. This lane is reserved for bicycles.
3. Watch for cyclists crossing.
4. Cyclists must walk their bikes on the sidewalk.

Explanation: A red circle with a slash over a bicycle means bicycles are not allowed on this road.

A cyclist is riding on a road posted with this sign. Is this allowed?

1. No; bicycles are not allowed on this road. (Correct answer) ✓
2. Yes, in the daytime.
3. Yes, if the cyclist wears a helmet.
4. Yes, if the cyclist stays near the curb.

Explanation: A bicycle inside a red circle with a slash means bicycles are not allowed on this road.