INDIANAPOLIS An Indiana State Police Trooper is recovering after being struck by a vehicle on I-465 on the south side of Indianapolis early Saturday morning.According to ISP, at 3:15 a.m., the trooper responded to I-465 eastbound, near U.S. 31 and S East Street, to investigate a separate multi-vehicle crash that occurred in a construction zone in the area.A driver struck the troopers patrol car as he was outside investigating. The impact from the collision caused the troopers vehicle to roll forward, hitting him, ISP said.The trooper and the driver of the vehicle were both transported to a local hospital. As of Saturday afternoon, the trooper had been released.ISP believes alcohol was a factor in this crash.WATCH | WRTVs latest headlines Latest Headlines | October 18, 11pm