News

The air quality in the City Hall subway station in downtown Philadelphia is much worse than on the sidewalks directly above the station. That is a key finding of our new study published in the ...
Riding the subway might feel like a quick ... studied air quality at the 15th Street-City Hall station, one of the busiest ...
Accessible via 15th & Market Sts, City Hall Station and Walnut-Locust Station subway stations. The busiest part of Philadelphia is downtown or Center City, where the old and the modern come together.
Local politicians, transit workers and everyday riders expressed concern over the proposed cuts and called for more funding to cash-strapped SEPTA.