A cyclist died Saturday morning after a semi-truck struck her in Lehi. The 37-year-old woman died at the scene, said Lehi Police Cpl. Wilson Silva. Investigators are waiting to release her name until they can notify her family. About 10:30 a.m., the woman was riding north on 1200 West with a cycling team when, near 2600 North, she and the semi-truck collided, Silva said.