Police in Howard County say a preliminary investigation shows a man was speeding and under the influence of alcohol when he drove his car into a marked police vehicle with an officer inside. Police say it happened Monday at around 9:30 p.m. in the 7300 block of Matchbox Alley in Elkridge. Police say a Toyota 4Runner driven by 26-year-old Dilraj Singh of Burtonsville struck a police vehicle that was parked on the side of the roadway. Police say the collision caused the police vehicle to strike an unoccupied parked vehicle in front of it.