Monocacy station

Frederick, Maryland. This station is one of two stations on the Frederick extension.^[5] It is also the only station on the Brunswick Line other than Union Station to have a high-level platform. There is also a low level platform at the north end of the station.^{[citation needed}

cul-de-sac with a large parking lot off the east side of Maryland Route 355 in Frederick. It was built on the old Frederick Branch of the Baltimore and Ohio Railroad. The architects of Cochran, Stephenson & Donkervoet, Inc. designed the small station to resemble B&O stations from the past.^{[citation needed}

Harpers Ferry, Virginia (since 1863, West Virginia). Because John Brown's rebels cut the Railroad's telegraph line, no news of the rebellion reached Baltimore, the Railroad's center of operations, for several hours. The one train Brown eventually let proceed through Harpers Ferry and over the B & O Railroad Potomac River Crossing into Maryland stopped at Monocacy, which was the next station with staff and a telegraph, something not available in the stations at the hamlets of Sandy Hook, Maryland, and Point of Rocks, Maryland. The conductor stopped the train and sent a message about the abolitionist rebellion to B&O headquarters. After confirming it, the Railroad notified President James Buchanan, Virginia Governor Henry A. Wise