Total U.S. coal rail traffic for the week ended Aug. 10 declined 14.7% year over year to 77,300 carloads, according to data from the Association of American Railroads.

Year-to-date coal rail traffic declined 6.5% through the week, while total rail traffic for the week decreased 4.3% year over year to 533,190 carloads and intermodal units.

BNSF Railway Co.'s coal shipment volumes clocked in at 33,852 carloads in the week ended Aug. 10, decreasing 5.0% from the previous week's 35,643 carloads and declining 12.2% from the 38,564 carloads in the year-ago week.

Union Pacific Corp.'s coal shipment volumes this week were at 19,661 carloads, down 5.0% from 20,700 carloads the previous week and declining 18.5% from the previous year's weekly volume of 24,117.

Eastern railroad CSX Transportation Inc.'s shipment volumes of coal stood at 14,337 carloads, dropping 15.2% from the previous week's 16,910 carloads and decreasing 26.2% from the 19,430 carloads the same week in the previous year.

Norfolk Southern Corp.'s coal shipment volumes totaled 16,114 carloads for the week, down 13.2% from the previous week's 18,556 carloads and declining 15.4% from the 19,050 carloads the same week a year ago.

Kansas City Southern's latest weekly coal shipment volume was 2,819 carloads, decreasing 8.6% from 3,084 carloads the previous week. The railroad serves 10 U.S. states and Mexico.

Data collected by S&P Global Market Intelligence from railroads covers cars originating on their lines during the week and cars received from a connecting railroad during the same week.