Complex sentence: Phase I-painted Amfleet cars had large red and blue stripes around the windows with thin white stripes on each end of the pattern, and featured the Amtrak "Pointless Arrow" on one end of the car.
Split into simpler sentences: Phase I-painted Amfleet cars had red and blue large stripes around the windows and white thin strips on each end of the pattern. This car also contained the Amtrak "Pointless Arrow" on one end of the car.