From Harford County government:
The Harford County Board of Education has advised the Harford County Department of Public Works that Red Pump Road has been closed to through traffic between Maryland Route 24 and Vale Road. Local traffic for residents and businesses is permitted in this area, however it is not possible to access the intersection of Red Pump Road and Yankee Doodle Drive.
The closure will be in effect for approximately two months. The Board of Education is constructing a roundabout in preparation for the opening of an elementary school at this location. Please make alternative arrangements if you normally travel these roads.