The Zipper Merge at Traffic Lights

In boston, where the roads are narrow, there are rarely left turn lanes at traffic lights. It is very common for a left turner waiting at a red light to jump the light and make their left turn as soon as the light turns green. This all results in an imp ceptible loss of time for all cars in the oncoming direction, but saves all the cars behind the left turner from having to wait for the entire light cycle. John: I believe this is probably something that's just common in very busy urban streets that are tight with a lot of traffic on them. Yea. We love it because we knew this would be something that everybody would have some sort