Georgia DDS Practice Test

The safest way to merge onto a highway is to speed up to match the traffic flow before merging. This approach ensures that the merging vehicle and the existing traffic are traveling at similar speeds, reducing the risk of collisions and making the merging process smoother. Properly matching your speed with that of the vehicles already on the highway is crucial for maintaining safety and efficiency. When merging, it's also vital to be aware of your surroundings, which is why checking mirrors and blind spots is important before entering the highway. This practice allows drivers to gauge the speed and distance of oncoming vehicles, making for a safer merging experience. The other options do not prioritize safety or effective merging strategies. For example, merging immediately without looking poses a significant risk as it can lead to accidents if there are vehicles in your blind spot or if you are not aware of the traffic conditions. Waiting for a long gap in traffic can be impractical and may cause unnecessary delays. Lastly, using only a left lane signal when merging does not adequately inform other drivers of your intentions, which is essential for safe lane changes.