With the unofficial start of the summer season less than two weeks away, the traffic shift at the former Causeway Circle in Ship Bottom has some motorists shaking their heads at the configuration and anticipating what it will look like during peak summer hours. And that’s without the opening of Central Avenue to two-way traffic in the area this week.

With one of the two left-turn lanes onto Eighth Street for traffic approaching from the south closed for construction, as well as closures on…