Most of Tokyo's mass transit network is absolutely neither isolated nor enclosed, and operates with vastly higher frequencies. Here's is the timetable for a su

Most of Tokyo's mass transit network is absolutely neither isolated nor enclosed, and operates with vastly higher frequencies. Here's is the timetable for a suburban station on a commuter lines: https://train-cloud.navitime.biz/en/odakyu/railroads/timetables?home-key=top_en&directional-railroad=00000686-up&station=00004633&schedule-type=weekday https://train-cloud.navitime.biz/en/odakyu/railroads/timetab... On a weekday at peak hours, there are up to 20+ trains an hour, with commuter trains continuing directly into Metro systems, and directly onto different commuter lines on the other end.