For both? This isn't policy, this is what you already mentioned: space is becoming rapidly more expensive downtown, and that doesn't stop with such mundane things as roads or parking spaces. These are not magically guaranteed their place, forever. This article and things like congestion charge in NYC are the natural consequence.

So the choice isn't some faux gentrification debate on optimizing roads for the strawman "cleaning lady from the suburbs" or the "downtown software developer", it's for the cleaning lady to be out of a job in 10 years because the only cars driving downtown will be worth a century of her yearly income - or taking the train...