This is just a band-aid. Same with adding buses, lanes, trains, etc. When something goes wrong in software we usually try to resolve it by finding a root cause. There are a lot of cars on the roads. Why? People live far away from their work. Why? All the office buildings are in one central place. Why? ... Etc. The solutions to the root causes, whatever they are, are, unfortunately, a lot more complex and expensive th…
Donald Shoup (the author of "The High Price of Free Parking", namechecked below), has written extensively about how LVT would improve urban land use, as has Chuck Marohn (of Strong Towns, whose "Growth Ponzi Scheme" is namechecked below.)
In fact, few things seem to have a stronger consensus than LVT among economists and urban planners. Then why don't we have it?
In short, it shows the limitation of Pareto Optimality―to enact a LVT, the returns to landowners would be limited, which creates a very active special interest. Sob stories result when land is used more efficiently―people are generally moved by tales of the Old Poor Widow who can't possibly consider moving out of her ranch house that she's lived in for 40 years.