[1] The Reading's electrified territory ended at Norristown; the Great Depression curtailed plans to extend electrification up the main line.

At the end of the 1970s service operated at 30 minute headways, compared to seven round-trips per day to Reading or Pottsville.

[b] Most trains ran with Budd Rail Diesel Cars; SEPTA also had three EMD FP7 locomotives and a set of coaches.

[12][13] A final attempt to preserve service, with the Pennsylvania Department of Transportation (PennDOT) providing subsidies and the Berks Area Reading Transportation Authority (BARTA) acting as operator, foundered when BARTA rejected the arrangement.

[15] SEPTA, in the middle of a major funding dispute with Conrail, discontinued the Pottstown shuttles on July 26, 1981, as part of broader system cutbacks.