Acela train 2167 passing through South Norwalk.

Get your shots now, it won't be that long before these trains are gone and the next generation is the new norm.

An Amtrak Acela speeds past Attleboro, MA.

On a cold November morning, AMTK 2015 flys through the Fairfield Metro Station. This is a Boston to Washington D.C. Acela train.

An Amtrak Acela Express flies past Morris tower bound for Philadelphia.

A north bound Acela Express makes a late evening station stop at the renovated Wilmington Train Station, also known as the Joseph R. Biden, Jr., Railroad Station.

Acela in the Morning Light: Acela Express Train 2150 rounds the curve at the east end of Metropark Station on Thursday, October 5, 2017.

The new kids on the block

Just south of 30th Street Station in Philadelphia, an Amtrak Acela Express, led by No. 2015, is captured southbound with the expanding city skyline serving as ba... (more)

A northbound Acela Express races through Perryville, MD catching the last light of day crossing the Susquehanna River while en route to Wilmington, DE and points north.

An Amtrak Acela begins to pick up speed again after making the 30th Street Station stop for Philadelphia. Here it is passing through University City with the City of Brotherly Love's expanding sky... (more)

An Amtrak Acela Express navigates a reverse s-curve eastbound through Croydon, PA. For those wondering, the square objects protruding the inner express tracks are dragging equipment detectors.

Roof lines in Union Station.