Police say the 22-year-old from Orland Park was westbound on I-80 in northwest Indiana when an older white man in a dark-colored pickup truck started tailgating her and then tried to force her car into the concrete divider just after 9 p.m. Thursday.
The woman says the man waved a gun, then she heard a shot and saw a bullet hole in the door.
The woman was not hurt; police are looking for the driver, who got off at Cline Avenue.
