Yes. Usually it isn't a bus pass, because they're back on their feet. Quite often it becomes a case that it's the end of the month and their grocery money hasn't quite gone far enough.
One of the big motivators for the people who are successful is the previous family ties that, through the course of whatever has happened to them and their homelessness, have been broken. You get a veteran who has a couple of kids or something. The idea that if they can get everything together and get themselves back on track, they can hook back up with their family is the strongest motivation there is.