Not mine, but someone in a community I'm a part of recently completed a comprehensive fantasy reword of Philly's/SEPTA's transit system, across regional rail, rapid transit, buses and trollybuses.
It's just got an insane level of detail, including specific running times for each and every line.
https://www.google.com/maps/d/u/0/edit?mid=13iPAkbMUrBXpMNuI_eSzYJQcrmQbV74&usp=sharing