I manage Air Traffic Control automation programs and I looked into expanding into traffic management (intelligent highways, Personal Rapid Transit, etc.) and all of the complexity you mention scared us away in the end. Just too hard.
BTW, RT30 into the city is called “The Main Line” and is a very affluent area with beautiful “old money” gothic style homes, Bryn Mawr (one of the country’s prettiest gothic campusus) and Haverford Colleges (where they play cricket) and the cricket club (where they play tennis). There are many nice places to eat and shop and we really enjoyed driving around appreciating the architecture. There is even a “Usonian” home built by Frank Lloyd Wright hidden away just off 30.
If you like pizza, the best kept secret type place to eat is “Peace of Pizza” which make all sorts of interesting loaded pizzas.
Have fun!