For this week, total U.S. weekly rail traffic was 442,113 carloads and intermodal units, down 17.2 percent compared with the same week last year. Total carloads for the week ending July 9 were 226,615 carloads, down 16.5 percent compared with the same week in 2015, while U.S. weekly intermodal volume was 215,498 containers and trailers, down 17.9 percent compared to 2015. Two of the 10 carload commodity groups posted an increase compared with the same week in 2015. They were miscellaneous carloads, up 12.2 percent to 9,283 carloads; and grain, up 12 percent to 20,746 carloads. Commodity groups that posted decreases compared with the same week in 2015 included coal, down 23.4 percent to 72,998 carloads; nonmetallic minerals, down 20.9 percent to 29,069 carloads; petroleum and petroleum products, down 19 percent to 10,432 carloads and motor vehicles and parts, also down 19 percent to 12,399 carloads. For the first 27 weeks of 2016, U.S. railroads reported cumulative volume of 6,521,831 carloads, down 12.5 percent from the same point last year; and 6,928,501 intermodal units, down 2.7 percent from last year. Total combined U.S. traffic for the first 27 weeks of 2016 was 13,450,332 carloads and intermodal units, a decrease of 7.7 percent compared to last year. North American rail volume for the week ending July 9, 2016, on 13 reporting U.S., Canadian and Mexican railroads totaled 308,693 carloads, down 15 percent compared with the same week last year, and 285,660 intermodal units, down 15.1 percent compared with last year. Total combined weekly rail traffic in North America was 594,353 carloads and intermodal units, down 15 percent. North American rail volume for the first 27 weeks of 2016 was 17,627,433 carloads and intermodal units, down 7.4 percent compared with 2015. Canadian railroads reported 66,806 carloads for the week, down 11.3 percent, and 58,653 intermodal units, down 6.6 percent compared with the same week in 2015. For the first 27 weeks of 2016, Canadian railroads reported cumulative rail traffic volume of 3,442,792 carloads, containers and trailers, down 7.8 percent. Mexican railroads reported 15,272 carloads for the week, down 7.2 percent compared with the same week last year, and 11,509 intermodal units, up 5.7 percent. Cumulative volume on Mexican railroads for the first 27 weeks of 2016 was 734,309 carloads and intermodal containers and trailers, remaining flat from the same point last year.