Decades? Pribably. A lot of money? Not as much as you’d think, a lot of the improvements can be made usung the dutch method of implementing new designs when old roads need replaced. And although certain public transit projects have large initial buy ins they typically cost much less than normal car infrastructure as you can extract part of the maintenance costs from fees and the maintenance is generally cheaper for things like trams and trains.
That’s going to take decades and a lot of money.
Decades? Pribably. A lot of money? Not as much as you’d think, a lot of the improvements can be made usung the dutch method of implementing new designs when old roads need replaced. And although certain public transit projects have large initial buy ins they typically cost much less than normal car infrastructure as you can extract part of the maintenance costs from fees and the maintenance is generally cheaper for things like trams and trains.