To be fair, for traffic, it's not necessarily the number of cars that's increasi...

jdmichal on Feb 16, 2017 | parent | context | favorite | on: Elon Musk is boring a tunnel to skirt gridlock

To be fair, for traffic, it's not necessarily the number of cars that's increasing. If everyone doubles the number of miles they drive, that will have a roughly equivalent effect. Car-miles is really the metric to watch here.