"SEPTA Trolley Routes 10, 11, 13, 34, and 36 will not operate in the Center City tunnel from 10 p.m. on Friday, July 7 through 5 a.m. on Monday, July 24."
"Work that will be completed includes:
Demolish and rebuild the eastbound 22nd Street platform
Replace worn track curved rail at various locations
Clean out all pipes, drains, and vent wells
Replace four miles of overhead contact wire
Maintenance of entire tunnel signal system
Heavy cleaning and maintenance at all stations including graffiti removal, painting, and lighting"
“It also helps us prepare for Trolley Modernization – SEPTA’s program to transform the nation’s largest trolley network into an accessible, fast, and easy-to-use system.”