Weekly U.S. rail traffic data just dropped, and it's confirming significant strength in the industrial segment of the economy. Total traffic is up an amazing 7.2%, with carloads rising 3.2% year-to-date, despite declines in coal and flat forest products. This is a critical indicator of future freight demand, including trucking, as manufacturers ramp up production.Follow the FreightWaves Today PodcastOther FreightWaves ShowsLearn more about your ad choices. Visit megaphone.fm/adchoices