Answer :
Final answer:
The three basic parts of an expressway entrance ramp are the merge area, acceleration lane, and entrance sign. These elements are key for safely entering expressway traffic.
Explanation:
The three basic parts of an expressway entrance ramp are: a) Merge area, acceleration lane, entrance sign. These components are essential for safely entering an expressway. The acceleration lane provides drivers with space to increase their speed to match that of the expressway traffic.
The merge area is where drivers adjust their positioning and speed to safely integrate into the flow of traffic. Lastly, the entrance sign indicates the point of entry onto the expressway, providing crucial information and guidance to drivers.
