This road sign means:

Question

This is a speed limit sign. It indicates the maximum legal speed that you may drive on the road where it is posted. At times of rain, snow, ice, or other less-than-ideal conditions, you may have to drive more slowly than the posted limit.

Accepted Answer

The maximum legal speed on the roadway is 55 mph.

Answer

You must travel at the speed indicated.

Answer

You must travel through the intersection at the posted speed.

Answer

None of the above.