Check out this cool lane-zipper that creates an extra lane to ease traffic. We could definitely use one of these on our roads. However, no matter how many extra lanes we add, we just need one road hog on each lane to put all these efforts into vain.
If you cannot view the video, click on this direct link to view it on youtube.com
https://www.youtube.com/watch?v=dl0Q2bDnBUc
Here’s how they do it on the Golden Gate Bridge, San Francisco.
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