Maryland Route 103 is a state highway in the U.S. state of Maryland. The state highway runs 8.29 miles (13.34 km) from St. Johns Lane in Ellicott City east to Parkway Drive South in Hanover. MD 103 serves as the local complement to MD 100 from Ellicott City in northeastern Howard County through Dorsey to Hanover in northwestern Anne Arundel County. The state highway was constructed from U.S. Route 1 in Elkridge to US 29 in Ellicott City in the 1920s. MD 103's eastern terminus was relocated from Elkridge to US 1 near Dorsey in 1956. When MD 100 was constructed between Glen Burnie and Ellicott City in the 1990s, the state highway was extended to its present western and eastern termini. MD 103 replaced MD 176 from US 1 east to near MD 295.
View west along MD 103 in Hanover
View west along MD 103 from I-95 in Ilchester
Ellicott City is an unincorporated community and census-designated place in, and the county seat of, Howard County, Maryland, United States. Part of the Baltimore metropolitan area, its population was 75,947 at the 2020 census, making it the most populous unincorporated county seat in the country.
Main Street in Historic Ellicott City
Thomas Isaac log cabin. Named after a 19th-century owner, the cabin was believed to have been built circa 1780 by an early Ellicott's Mills settler. This historic building has been closed and relocated while post-flood repairs on Main Street continue.
B&O Railroad Bridge over Main Street.
Governor of Maryland Larry Hogan tours Ellicott City, viewing damage left by the 2016 floods, accompanied by county executive Allan Kittleman.
