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| | Reference.com/Encyclopedia/Pennsylvania Railroad |
 | | The ICC required that ailing New York, New Haven & Hartford Railroad be added in 1969. |
 | | Union Station, Washington DC Union Station (Washington, DC) served as a hub for PRR passenger services, with connections to the Baltimore & Ohio Railroad, and Southern Railway. |
 | | The Richmond, Fredericksburg & Potomac Railroad provided a link to Richmond, Virginia, about 100 miles to the south, where major north-south lines of the Atlantic Coast Line Railroad and Seaboard Air Line Railroad provided service to the Carolinas, Georgia, and Florida. |
| www.reference.com /browse/wiki/Pennsylvania_Railroad (1532 words) |
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