Interestingly by Braess's paradox adding more lanes can increase congestion, and removing lanes can speed up the traffic. https://en.wikipedia.org/wiki/Braess%

Interestingly by Braess's paradox adding more lanes can increase congestion, and removing lanes can speed up the traffic. https://en.wikipedia.org/wiki/Braess%27s_paradox https://en.wikipedia.org/wiki/Braess%27s_paradox