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The Pennsylvania Railroad (reporting mark PRR), legal name The Pennsylvania Railroad Company, also known as the " Pennsy ", was an American Class I railroad that was established in 1846 and headquartered in Philadelphia, Pennsylvania. At its peak in 1882, the Pennsylvania Railroad was the largest railroad (by traffic and revenue), the largest ...
George Westinghouse Jr. (October 6, 1846 – March 12, 1914) was a prolific American inventor, engineer, and entrepreneurial industrialist based in Pittsburgh, Pennsylvania who is best known for his creation of the railway air brake and for being a pioneer in the development and use of alternating current (AC) electrical power distribution.
This invention, called the Adler Flashing Relay, received the American Railway Association’s endorsement and was later adopted by over 40 railroad companies. After the success of his projects, Adler left the Maryland and Pennsylvania Railroad to pursue invention full-time. However, he remained a signal consultant for the company until 1957.
The first transcontinental railroad was completed in 1869. Railroads played a large role in the development of the United States from the Industrial Revolution in the Northeast (1820s–1850s) to the settlement of the West (1850s–1890s). The American railroad mania began with the founding of the first passenger and freight line in the country ...
Water cap. The Pennsylvania Railroad (PRR) class I1s steam locomotives were the largest class of 2-10-0 "Decapods" in the United States. From 1916 to 1923, 598 locomotives were produced (123 at Altoona Works and 475 at Baldwin Locomotive Works). They were the dominant freight locomotive on the system until World War II and remained in service ...
The Main Line of the Pennsylvania Railroad was a rail line in Pennsylvania connecting Philadelphia with Pittsburgh via Harrisburg. The rail line was split into two rail lines, and now all of its right-of-way is a cross-state corridor, composed of Amtrak 's Philadelphia to Harrisburg Main Line (including SEPTA 's Paoli/Thorndale Line service ...
Mauch Chunk Switchback Railway. The Mauch Chunk Switchback Railway, also known as the Mauch Chunk and Summit Railroad and occasionally shortened to Mauch Chunk Railway, was a coal-hauling railroad in the mountains of Pennsylvania that was built in 1827 and operated until 1932. It was the second gravity railway constructed in the United States ...
Catherine and Bainbridge Streets Railway of Philadelphia. Centennial Passenger Railway. Central Pennsylvania Traction Company. Central Traction Company. Central Valley Railroad. Centre and Clearfield Street Railway. Chambersburg and Gettysburg Electric Railway. Chambersburg, Greencastle and Waynesboro Street Railway.