The State Highway Administration also installed a new pedestrian signal at the Knox Road and Route 1 intersection.
The incidents occurred on Sunday between 7:15 a.m. and 7:30 a.m., according to a UMD Alert.
After former student Mason Jayne died in a car accident on May 26, friends and family will hold a philanthropy event to promote safe driving.
The FBI had been searching for a new location for nearly a decade, and had narrowed it down to three locations, one of which was Greenbelt.
The alleged confrontation took place at the scene of a fire in Berwyn Heights on Sunday.
Krouse was the longest-serving chief of University Police, holding the position for 20 years.
Incoming UMD student Artem Ziberov, 18, and classmate Shadi Adi Najjar, 17, were fatally shot in Germantown hours before their graduation.
Mason Jayce died in a car accident in Houston on May 26.
An all-clear was issued at 5:13 p.m., after the suspect was believed to have left the area.