Final answer:
The speed limit of 55 mph means that vehicles are not allowed to exceed this speed while driving on that specific road. It is a regulation set by the local transportation authority to ensure safety on the road. The purpose of speed limits is to control the flow of traffic, reduce accidents, and prevent injuries.
Step-by-step explanation:
The speed limit of 55 mph means that vehicles are not allowed to exceed this speed while driving on that specific road. It is a regulation set by the local transportation authority to ensure safety on the road. The purpose of speed limits is to control the flow of traffic, reduce accidents, and prevent injuries.