An Interface That Can Be Improved
Some interfaces throughout septa are decent but can definetly be improved to help interaction. Currently you buy a ticket, get on the train, then wait for the conductor to come and punch your ticket. Sometimes the conductor does not have time to get to each person, letting some people get buy without paying the fare.
I think a good way to improve this interface would be to have a machine at each train station. At the machine you can select your destination and buy your ticket, eliminating lines because there can be several machines. Also their will be another machine that u insert your ticket into to get punch. The conductor on the train will have a corresponding machine that tracks how many people had their ticket punched. This will cut down time and confusion while riding the train.