Answer :
Final answer:
It is best to accelerate relative to the traffic flow when merging onto a controlled access highway and to turn your head to look behind you for safe merging.
Explanation:
When entering a controlled access highway via an on-ramp and merging with traffic, it is best to accelerate relative to the traffic flow.
This means that you should increase your speed to match the speed of the traffic on the highway as closely as possible. This is important for safety, as merging into traffic that is moving faster than you can cause other drivers to brake or swerve to avoid you.
It's advisable to use the on-ramp to adjust your speed so that by the time of merging, you are moving at a speed that corresponds to the other vehicles on the road.
Furthermore, while merging, you should turn your head to look behind you to check for any vehicles in the lane you want to enter. This helps ensure there is an appropriate gap for you to merge safely.
