High Quality Content by WIKIPEDIA articles! The Prairie Central Railway (reporting mark PACY) was a short railroad line that ran from Decatur to Paris, Illinois. It was based in Decatur, and ran on about 74 miles (119 km) worth of mostly former Penn Central Railroad and later Conrail trackage. In 1982, the railroad was extended to include approximately 80 miles (130 km), south from Paris to Mt. Carmel, terminating at the Southern Railway.