Total U.S. coal rail traffic for the week ended March 9 decreased 8.6% year over year to 76,562 carloads, according to data from the Association of American Railroads.

Year-to-date coal rail traffic dropped 3.7% through the week, while total rail traffic for the week decreased 4.7% year over year to 508,958 carloads and intermodal units.

BNSF Railway Co.'s coal shipment volumes clocked in at 32,520 carloads in the week ended March 9, down 2.8% from the previous week's 33,472 carloads and down 10.8% from 36,476 carloads in the year-ago week.

Union Pacific Corp.'s coal shipment volumes this week were at 15,550 carloads, down 9.4% from 17,163 carloads the previous week and 26.7% down from the previous year's weekly volume of 21,224.

Eastern railroad CSX Transportation Inc.'s shipment volumes of coal stood at 15,600 carloads, falling 11.9% from the previous week's 17,714 carloads but posting an increase of less than 1% compared to 15,491 carloads the same week in the previous year.

Norfolk Southern Corp.'s coal shipment volumes totaled 18,652 carloads for the week, up 5.1% from the previous week's 17,744 carloads and rising 2.5% compared to 18,197 carloads the same week a year ago.

Kansas City Southern's latest weekly coal shipment volume was 2,327 carloads, down 32.8% from 3,462 carloads the previous week. The railroad serves 10 U.S. states and Mexico.

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

The publication of this feature was delayed due to difficulty accessing Norfolk Southern's rail data.