What is the procedure for safely merging onto a highway?

The procedure for safely merging onto a highway involves accelerating to match the speed of traffic. This ensures that you adjust your speed to fit seamlessly into the flow of vehicles already on the highway, reducing the risk of collisions and helping to maintain traffic flow. When merging, it's important to check your mirrors and blind spots as you approach the highway to identify a safe gap in traffic. By matching your speed, you can enter the highway smoothly and safely without causing disruptions or endangering yourself or other drivers.

Options that suggest slowing down dramatically or making a U-turn would likely increase the risk of accidents, as they do not facilitate a smooth integration into the existing traffic pattern. Additionally, merging without checking mirrors compromises safety by potentially leading to collisions with vehicles in adjacent lanes. Therefore, choosing to accelerate to match the speed of traffic is the most effective way to ensure a safe merge onto the highway.