The Pennsylvania Railroad—or PRR, or Pennsy, as it was variously called—was one of two dominant eastern-United States rail franchises for most of the 20th century. The other was the New York Central, which merged with the Pennsy in 1968 to form Penn Central. The PRR was founded back in 1846 to transport people and freight between Harrisburg and Pittsburgh, Pennsylvania. That line opened in 1854. The railroad quickly expanded, and by 1887,...Continue Reading