The sound of a blaring freight train is not what you want to hear if you’re in a rush. Yet many drivers in Chicagoland have become accustomed to waiting ten minutes or longer at some of the region’s busiest grade crossings. NBC 5 Investigates has learned Chicago area drivers get delayed at least 7,800 hours every weekday at rail crossings, according to a motorist delay analysis by the Illinois Commerce Commission. The study shows some of the longest waits occur at crossings in LaGrange, Des Plaines, Blue Island and Downers Grove…Please click here for Chris Coffey and Katy Smyser’s story on NBC 5.