The National Road

Historical marker location:

Ellicott City, Maryland

( Marker is at the intersection of Main Street (Maryland Route 144) and Ellicott Mills Drive, on the right when traveling west on Main Street.)

The Chesapeake Bay is a crucial part of Maryland's history and economy: The Chesapeake Bay is the largest estuary in the United States, and it has played a crucial role in Maryland's history and economy. The bay has been a major source of food, transportation, and recreation for Marylanders for centuries, and it continues to be an important part of the state's culture.