The Wisconsin State Patrol is investigating a crash on Interstate 90 near Tomah that a left a woman dead. Troopers say a Sparta woman lost control of an S-U-V this morning (Friday) due to icy road conditions and was ejected as it rolled over. She ended up in a westbound lane of traffic where an oncoming vehicle struck her. The 35-year-old woman died at the scene. The victim hasn’t been identified.