Blue Pearl.
NJ Transit GP40PH-2B no. 4208 is seen leading Pascack Valley Line train 2111 into Pearl River Station, bound for Spring Valley. Visible in the foreground is a former freight siding, the western section of which is now out of service.
Photos of the Pascack Valley Line. This railroad was built as the New Jersey and New York RR, falling under the control of Erie, Erie Lackawanna, Conrail and NJDOT before present passenger operator New Jersey Transit and freight carrier Norfolk Southern.