The air quality in the City Hall subway station in Philadelphia is much worse than on the sidewalks directly above the station. That is a key finding of a new study published in the Journal of ...

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 ...

There has been momentum in recent years to build a Northeast Philly subway line that links with SEPTA's Broad Street and Market-Frankford lines. Doing so would generate about 62,000 daily trips ...

PennDOT has committed to studying transit options on Roosevelt Blvd. This means that Philly is one step closer to a new subway line, writes doctoral student Jay Arzu. A pedestrian waits to cross ...

PHILADELPHIA (CBS) -- Roosevelt Boulevard has been a problem for drivers and a peril for pedestrians for years. Now, advocates are dusting off a century-old proposal: building a subway line under ...

I was able to find Philadelphia’s comprehensive master plan from 1960. And they had full plans to build the Roosevelt Boulevard subway then, but in the median of a Northeast freeway that would ...

PHILADELPHIA (AP) — A subway security guard was shot and wounded on a Philadelphia-area train Thursday afternoon, according to transit officials. The guard was shot at about 3:10 p.m. Thursday ...

PHILADELPHIA (CBS) -- A rash of violence on Philadelphia's subway system has riders on edge. The city has seen three shootings on the subway in just the last two weeks, including the latest ...

Bastiaan Slabbers/NurPhoto via Getty Images 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 ...

Our findings suggest that the black carbon is being generated by the subway system itself. Graphite used on brake pads is one potential source. We also found that levels of ultrafine particles, or ...