Northern Subdivision (Pennsylvania)

The Northern Subdivision is a railroad line owned and operated by the Buffalo and Pittsburgh Railroad (BPRR), which is owned by Genesee and Wyoming Industries, in the U.S. state of Pennsylvania. The line is one of the oldest in Pennsylvania, and at one time, stretched all the way from Callery, to Mount Jewett, Pennsylvania. Today, more than half the line is gone.

The line was originally a 3 ft (914 mm) narrow gauge railway line built by the Pittsburgh and Western Railroad, which later became part of the Baltimore and Ohio Railroad. At the turn of the 20th century, a junction was built in Callery Junction (present-day Callery). The mainline headed northwest towards New Castle, while a small branch headed northeast towards Butler. The branch was eventually abandoned, and Callery Junction was no more. A new junction was built just north of Callery in the small village of Eidenau. The junction was named Harmony Junction, and it still exists today. The junction is now used to connect the Northern Subdivision with the P&W Subdivision. The P&W runs from the southeast to the northwest of Pittsburgh by way of Rankin to West Pittsburg near New Castle, while the Northern heads northeast towards Butler.

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