Lisbon is a town located in western Howard County

Howard County, Maryland

-2010:Whereas according to the 2010 U.S. Census Bureau:*62.2% White*17.5% Black*0.3% Native American*14.4% Asian*0.0% Native Hawaiian or Pacific Islander*3.6% Two or more races*2.0% Other races*5.8% Hispanic or Latino -2000:...

 in the state of Maryland

Maryland

Maryland is a U.S. state located in the Mid Atlantic region of the United States, bordering Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware to its east...

 in the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, located roughly between Baltimore and Frederick

Frederick, Maryland

Frederick is a city in north-central Maryland. It is the county seat of Frederick County, the largest county by area in the state of Maryland. Frederick is an outlying community of the Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area, which is part of a greater...

 and north of Washington, D.C.

Washington, D.C.

Washington, D.C., formally the District of Columbia and commonly referred to as Washington, "the District", or simply D.C., is the capital of the United States. On July 16, 1790, the United States Congress approved the creation of a permanent national capital as permitted by the U.S. Constitution....

. It is roughly one square mile. Lisbon is located along Interstate 70

Interstate 70

Interstate 70 is an Interstate Highway in the United States that runs from Interstate 15 near Cove Fort, Utah, to a Park and Ride near Baltimore, Maryland. It was the first Interstate Highway project in the United States. I-70 approximately traces the path of U.S. Route 40 east of the Rocky...

 and Maryland Route 144

Maryland Route 144

Maryland Route 144 is a collection of state highways in the U.S. state of Maryland. These highways are sections of old alignment of U.S. Route 40 between Cumberland and Baltimore...

 and is home to the first roundabout

Roundabout

A roundabout is the name for a road junction in which traffic moves in one direction around a central island. The word dates from the early 20th century. Roundabouts are common in many countries around the world...

 in Maryland.
The above photograph is the National Road, looking East toward Baltimore. The road between the two houses runs north for 2 miles (3.2 km) to Woodbine

Woodbine, Maryland

Woodbine is located in Howard and Carroll counties, in the Baltimore, Maryland, metropolitan area. The community was named for the plant, which grew in this town in fields and along riverbanks.-Background:...

, where the Patapsco River

Patapsco River

The Patapsco River is a river in central Maryland which flows into Chesapeake Bay. The river's tidal portion forms the harbor for the city of Baltimore...

 and the B&O Railroad cross the road. About one mile north of Lisbon exists the original road that ran from Baltimore to Fredrick. This road runs west toward Poplar Springs and east toward Sykesville

Sykesville, Maryland

Sykesville is a town in Carroll County, Maryland, United States. The population was 4,197 at the 2000 census.-History:The land on which Sykesville sits started out as part of a Springfield Estate, owned by wealthy Baltimore shipbuilder William Patterson...

. The exact route of this road is not discernible at this time.