An Amtrak Regional Express, led by No. 616, prepares to split the 105 speed restriction markers as it sprints north through SEPTA's Croydon station in Pennsylvania.

An Amtrak Regional Express splits the 105 mph speed restriction markers on the express tracks while sprinting east bound through Croydon, PA. To the far left, a SEPTA commuter train prepares for ... (more)

An Amtrak Acela Express barrels north along the NEC approaching Croydon, PA having navigated one of the sharper curves on the Washington to Boston main.

A tardy Coast Starlight heads north with a Cascades F59 on the point.

An Amtrak Acela Express barrels down the Corridor picking up speed through Croydon, PA after navigating through a reverse S-curve in Bristol Township.

An Amtrak "Cities Sprinter" led by No. 656 brings a Regional Express through Cornwells Heights station on the express track while en route to Philadelphia's 30th Street Station.

An Amtrak Regional Express led by No. 662 bolts past an electric substation just shy of the westbound platforms of Cornwells Heights Station in Bensalem, PA.

An Amtrak Acela Express, led by No. 2008, flies through Torresdale in northeast Philadelphia bound for 30th Street Station and points south.

An Amtrak Acela Express, led by No. 2009, flies through Torresdale in northeast Philadelphia bound for Philadelphai and points south.

Amtrak's Phase I anniversary unit passes the town of West Newton, PA.

Just as the sun sets behind the hills, Amtrak No. 822 comes around a curve and heads for the classic Gainesville passenger station built by Santa Fe.

An Amtrak Regional, led by AMTK No. 623 sprints past the rebuilt Torresdale Station on the express track in northeast Philadelphia en route to 30th Street Station and points south.

Running about an hour late, 2167 passes the Metropark Station, running at restricted speed.

Arcing Acela at Hamilton: Power car #2004 is an oddity among the Acela fleet, as the blue decaling below the lights flattens out, rather than arcing in the way seen among the rest of the ... (more)