How a zipper merge is supposed to work

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2 Responses

  1. Ron says:

    You are right on Scott.
    Add to that, that all lanes can keep moving while merging. Stop the stop and go. Unfortunately the new idiot trend is to pull from the flow lane into the merge lane and beat three cars ahead. Such nonsense.
    I drive a Highway Coach and I can keep a proper flow and rarely need to brake.

  2. Greg says:

    It is in many cases a seamless process, but if there is a bus or a truck coming in from the closing lane, it probably won’t fit your space.
    So you have option a) slam on brakes, butterfly effect or option b) keep going and make those coming from a closing lane suffer.

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