Answer: The correct answer is "interchanges." The interchanges on a roadway will help drivers to enter and leave a roadway without very many interruptions. The traffic will be able to enter and exit an exchange to make a smooth transition to the roadway they are going too. Traffic on the roadways will be able to see when a car is entering and exiting the roadways and have ample time to move to another lane. Interchanges are found on rural roads, highways, and interstates throughout the United States.
The correct answer is B.