Transportation
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Completed in 1829, the Carrollton Viaduct carried the Baltimore & Ohio Railroad over the Gwynns Falls as its first major stream crossing west of the Pratt Street terminus. The 300-foot stone span was named for Charles Carroll of Carrollton, a signer of the Declaration of Independence and one of the B&O's founders. Concerned about canal competition, Baltimore business leaders embraced the new and untested railroad technology. Horses first pulled the loads, but the B&O successfully introduced steam-powered locomotives and became known as "the Railroad University of the United States." By 1880, the railroad had helped make Baltimore the nation's second largest grain port and a major livestock and coal terminal.
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Baltimore, Maryland · United States
