poor management, abnormally harsh weather conditions and the withdrawal of a government-guaranteed 200-million-dollar operating loan forced the Penn Central to file for bankruptcy protection in 1970. The Penn Central operated under court supervision until 1976, when the Northeast Corridor rail line was transferred to Amtrak for use in passenger service, and the remaining lines were transferred to Conrail. Initially Conrail operated commuter rail service on its lines under contract to the New Jersey Department of Transportation. In 1979, the commuter lines were acquired by New Jersey Transit. Other branches Burlington and Mount Holly Railroad and Transportation Company - opened in 1849, providing a branch from Burlington southeast to Mount Holly. From opening it was controlled by the C&A. Belvidere Delaware Railroad - also controlled by the C&A, opened in stages from 1851 to 1855, running north from Trenton to Belvidere. The BDRR was leased to the UNJ on January 1, 1876. Freehold and Jamesburg Agricultural Railroad - opened in 1853 from the C&A at Jamesburg east to Freehold, also under C&A control. In January 1866 a connecting line opened between the new Trenton Branch at Monmouth Junction and the original main line at Jamesburg. That line, built under the F&J charter, was transferred to the United New Jersey Railroad and Canal Company on July 29, 1874. A July 16, 1879 agreement leased the F&J to the UNJ from June 1, 1879. Millstone and New Brunswick Railroad - opened in 1854, running west from the south end of the NJRR at Millstone Junction to Millstone. The M&NB was bought on April 21, 1915 at foreclosure. Bonhampton - opened in 1860 Perth Amboy and Woodbridge Railroad, operated by the NJRR, opened in 1864 as a branch from Rahway south to Perth Amboy. A June 26, 1889 agreement leased the PA&W to the UNJ from January 1, 1891. Rocky Hill Railroad and Transportation Company - opened in 1864 as a branch of the C&A from Kingston on the old alignment north to Rocky Hill. The C&A leased it November 22, 1869 and began operating it June 1, 1870. Camden and Burlington County Railroad - running east from Camden to Mount Holly, opened in 1867 under C&A operation. In 1868 the C&A leased the Vincentown Branch of Burlington County Railroad, and soon after formally leased the C&BC. Pemberton and Hightstown Railroad - opened from the C&A at Hightstown south to Pemberton in 1868, under