Can you spot what's wrong with these merges? Always use the whole length of the merge lane to merge. The merge lane tapers naturally to guide you into the flow of traffic. Merging early causes further congestion – when people merge early, people already on the road have to brake at multiple points along the merge lane to let them in, backing traffic up more than it already is. The end of the merge lane gives people a consistent point to enter the flow of traffic. When you're merging, adjust your