Another critical factor is the enormous amount of growth Bucks County has had since the early 1980s. Farms are now towns. The base of ridership for service is huge, despite not everyone commuting to Philadelphia. Critics claim opening the line would only steal passengers from other lines. This is not experience.
Unique trains are tough and expensive to maintain.
Through service is a most, with trains running express from Fox Chase. Today's overhead wiring and substations are a lot cheaper than in years past.