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I don't think people living in cities want this, and so it's probably not going to happen. At least not in my city, which only has about two freeways, and people keep talking about tearing more of them down. I live half a mile away from one, and the noise pollution and tire dust pollution are both noticeable.

Maybe it's great from a suburban point of view still.

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You don’t need to extend the freeway into the city for it to cut down commute times, removing street parking is one of the ways to then speed up flows within a city. Often you have a ring road around the city with people migrating for there, but such rings can have more spokes going out and often more bridges going in.

Alternatively, going underground removes the noise and dust assuming the city wants to pay for it.

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