Answer :
Final answer:
The correct option is 1 . A divided highway has two one-way roadways with a median separating traffic moving in opposite directions, essential for traffic regulation and safety.
Explanation:
A divided highway is a road that has two one-way roadways with a median or divider separating traffic moving in opposite directions. This design helps regulate traffic flow and improve safety by preventing head-on collisions.
In the context of the American Interstate Highway System, divided highways play a crucial role in providing efficient and safe transportation routes for travelers.
In terms of transportation infrastructure, divided highways are key components of modern road networks that support economic development and facilitate interstate travel.