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This isn't remotely a solved problem in the congested city and suburban highways they're trying this for. What you're describing works perfectly fine for a two-

This isn't remotely a solved problem in the congested city and suburban highways they're trying this for. What you're describing works perfectly fine for a two-lane rural highway running between cities where the average vehicle spacing is half a kilometer apart bare minimum. It's not viable during near perpetual rush-hour conditions to just tell everyone to not just one lane of the highway unless they're passing. When there are seven lanes on each side, how do they even get to the left lane to do the passing? Cut across six, pass, then cut back?

stouset 3y ago
Every successive left lane is meant for passing traffic in the lane to the right of it. This is a touch simplistic (the rightmost lane is for traffic entering/exiting) but the practical bit is relatively simple: Drive in the furthest lane to the right that is practical. Merge left to pass a person in front of you. Merge back right when you are no longer passing. Do this regardless of which lane you are in.