Earlier quoted context omitted.
> Roads are a 'soft grid' for pedestrians and cyclists but stopped up for cars How do emergency vehicles get in and out? If a doctor is called in to an emergency, walking or biking is too slow. How do they get to the case?
> How do emergency vehicles get in and out? They just do. And they do it more easily because they don’t have to fight car traffic to do it. > If a doctor is called in to an emergency, walking or biking is too slow. How do they get to the case? In America you’re looking at a 20+ minute drive for any physician so they are already at the hospital or it takes just as long if not longer to drive to the hospital in a typic…
On roads where motor vehicles aren't allowed? On roads blockaded so motor vehicles can't access?
That's what "stopped up for cars" means.