LEONARDTOWN, Md. –St. Mary’s County Government’s Department of Public Works and Transportation will begin roadway improvements on Mattapany Road on or about Monday, Sept. 29, 2025.
The project will start at MD Route 5 (Point Lookout Road) and extend just past St. Mary’s College. It will include road widening and asphalt paving. Work is expected to take about 30 days, weather permitting.
A traffic control plan will be in place for the duration of the project, including single-lane closures with signage. Drivers are asked to remain alert for equipment, work crews and changing traffic patterns. Message boards and signage will be deployed prior to and during construction as a reminder. Motorists are encouraged to consider alternate routes to avoid delays.
For additional information, contact Donald Bean with the Department of Public Works and Transportation at 301-475-4200, ext. 3531.
Updates will also be posted at www.stmaryscountymd.gov and on the St. Mary’s County Government Facebook, X and Instagram accounts.