CHICAGO—Two shootings on a Chicago expressway early Thursday left one person dead and another wounded, the latest incidents in a dramatic surge of gun violence on the city’s major roads. According to the Illinois State Police, both shootings occurred in the northbound lanes of Interstate 55 within three hours. In the first incident, a person traveling on the interstate near Lake Shore Drive at 3:16 a.m. suffered what the state police called non-life-threatening injuries. At 5:39 a.m., another person was shot near the ramp to Interstate 94. The person was pronounced dead a short time later at a hospital, the police said in a news release. No arrests have been made in either shooting and the state police have not provided any details about either victim. The incidents bring the total number of expressway shootings thus far this year in the Chicago area to 213—more than double the 101 expressway …