New post on http://twitter.com/caltransdist3 : DYK peak-hour traffic volume on I-80 is about 4,000 vehicles per hour? Regarding trucking, this equates to an estimated $4.7 million of commerce per hour. Caltrans is constructing the truck climbing lane on eastbound I-80 near Colfax to improve traffic flow and traffic safety. http://pic.twitter.com/hW41Bu73qL