The city was the traditional economic center of the region and is home to several historic districts. The Railroad Terminal Historic District consists of several factories and buildings along the railroad line in the northern limits of downtown. Over 1,000 properties on the West Side contribute to the Abel Bennett Tract Historic District, mainly made up of residential properties along Riverside Drive. Downtown's State Street-Henry Street Historic District consists of several older low-rise buildings. The Court Street Historic District has some of the city's most notable architecture, including the Press Building and Security Mutual Building, early 20th century high rises, and the Broome County Courthouse. The Press Building was the tallest building in Binghamton until the completion of the State Office Building in Government Plaza, which remains the tallest in the city.