It's worked for every other major city in the world.
For months Elon Musk has busied himself with an atypical solution to Los Angeles' traffic woes. In lieu of a more traditional approach such as mass transit or highway widening, he has founded a company called The Boring Company, whose goal is to build an elaborate subterranean network of roads. These is not your usual highway tunnels, featuring onramps and offramps. Musk wants to build multilevel tunnels, supporting cars at up to 125 miles per hour.