Road accidents are a major cause of death and injury worldwide. Huge areas of land are devoted to parking, even as cars sit unused, on average, 95 percent of the time—making cities as much dormitories for cars as habitats for people.

What was certainly missing, among all the parking policy, was a parking plan, and such a comprehensive plan is ultimately what every “over-parked” place in America needs. This plan must include on-street pricing, off-street pricing, in-lieu payments supporting a collective supply, parking benefit districts, and residential permits where needed. Abo

First: The computer model is only as good as its inputs, and there’s nothing easier than tweaking the inputs to get the outcome you want. When we were working in Oklahoma City, the local traffic engineer’s “Synchro” computer model said that our pro-pedestrian proposals would cause gridlock. So we borrowed that engineer’s computer model and handed i