And that, of course, is also how buses operate that replace portions of the subways that are temporarily out of service. For example, I sometimes encounter it when I come home late at night on Boston Orange line, which has a lot of construction (they are trying to insert a new station inside an operating segment) and an occasional late-night or weekend replacement of subway service with a shuttle service. I never remember that tonight it is going to be a bus and, in any case, I have to park in a parking garage next to a [redacted] subway station where I have a monthly parking ticket.