Milwaukee County sheriff's deputies are looking for the person that shot at another driver on I-94 Saturday.According to the sheriff's office, a driver was attempting to merge onto the freeway from the N. 35th Street on-ramp around 1:30 p.m.The driver of a dark-colored SUV also tried to enter the lane. That driver eventually pulled out a gun and fired a shot at the vehicle entering the freeway.The shot hit the other vehicle, but no one was injured.The sheriff's office says the dark-colored SUV drove off down State Highway 175. No arrests have been made.I-94 was shut down for about a half hour as deputies looked for evidence. It has since reopened.