> perfect grid Only above 14th Street, and even then, that ignores e.g. Broadway which has a bunch of really frustrating-to-drive intersections with a ton of p

> perfect grid Only above 14th Street, and even then, that ignores e.g. Broadway which has a bunch of really frustrating-to-drive intersections with a ton of pedestrian traffic > standard weather conditions A year in Manhattan has significantly more variability in weather conditions than a year in Phoenix or San Francisco > no two-way traffic lanes to cross There are undoubtedly significantly more one-ways in Manhattan than many other cities but two-way streets absolutely still exist, most of the wider streets in the grid system are two-way, so's Houston