What type of vehicles has separate lanes when exiting or entering expressways?

The correct answer reflects the fact that all types of vehicles have designated lanes for entering and exiting expressways, which is a crucial aspect of roadway design aimed at ensuring safety and efficiency. These separate lanes are designed to allow vehicles to merge onto or depart from the expressway without disrupting the flow of traffic.

Having dedicated lanes helps in managing speed differences between vehicles that are in the process of either entering or exiting and those that are traveling at higher speeds on the expressway. This minimizes the risk of accidents and improves overall traffic flow.

Motorcycles and bicycles, although they may also use these lanes, benefit from the generalized design that accommodates all vehicle types, ensuring that everyone is provided with a safe merging space. In urban design, creating specific areas for movement helps in reducing congestion and maintaining the safety of all road users.