Roundabouts in Harford County, Maryland - A Local Perspective

Harford County, Maryland is part of the Baltimore Metropolitan region and is home for over 225,000 residents. The County maintains over 1,000 miles of roads, and started using roundabouts in 1995 as a means to control intersection capacity, increase intersection safety, and maintain the residential integrity of the roads where they are located. Currently, there are 16 roundabouts in Harford County, 14 of which are located on Harford County controlled roadways and an additional three under design. This paper discusses the history of roundabouts in Harford County, Maryland, the success of the roundabouts, and the projected future construction of additional roundabouts in the area.