The westbound lanes of the Ronald Reagan Memorial Tollway in DeKalb County were shut down due to a police investigation on Monday afternoon, authorities said. According to the Total Traffic and Weather Network, the closure was in effect between Illinois 47 in Sugar Grove and Keslinger Road near Maple Park. The closure was reported at around 3:15 p.m. and remained in place later in the afternoon. #policechase #dekalbcounty #i88