That's not a great example, because Seattle spent kajillions of dollars on a ridiculous tunnel under the city to replace the viaduct AND THEN built a second gro

That's not a great example, because Seattle spent kajillions of dollars on a ridiculous tunnel under the city to replace the viaduct AND THEN built a second ground-level highway on the newly available delightful waterfront space. Seattle's way of getting rid of the viaduct is a colossal waste of money and years of work for a terrible shitty result that is 1000% car based. A giant failure.