A quick find around the round house.
This is the start of the original 13 miles of track.
On February 28, 1827, the Baltimore & Ohio Railroad became the first U.S. railway chartered for commercial transport of passengers and freight.
The first stone for the line was laid on July 4, 1828, by Charles Carroll, the American Revolutionary leader and last surviving signer of the Declaration of Independence. The first 13 miles (21 km) of line, from Baltimore to Ellicott’s Mills (now Ellicott City), Maryland, opened in 1830.
The original stone has been moved inside the B&O museum and this marker took its place. The marker is shrouded to discourage vandalism. The inscription reads "Site of the First Stone, Baltimore & Ohio Railroad erected July 4, 1828. Marking the 1st mile Baltimore and Ohio Railroad.
You might even see a train leaving the yard.