Route 30 is a busy north-south roadway connecting Carroll and Baltimore counties.
On Sunday, it also served as a gathering place for hundreds of law enforcement officials and residents from both sides of the county line and beyond, who came to dedicate a portion of the road to slain police officer Jason L. Schneider.
Schneider, a 13-year veteran of the Baltimore County Police Department who lived in Carroll County, was shot to death in Catonsville in August 2013 as he and another officer attempted to serve a warrant. He was 36.
At a ceremony at Cape Horn Park near Schneider's Manchester home, fellow officers and friends said that three years later, his colleagues and...