IANA data points to declining September intermodal volumes

Total September volume—at 1,468,650 units—was off 2.0% annually. Trailers—at 66,393—saw the largest decline, falling 28.6% annually, ahead of August’s 25.6% decline. Domestic containers—at 652,635—fell 1.9%, and all domestic equipment, which is comprised of trailers and domestic containers, slipped 5.1%, to 719,028. ISO, or international containers, were the lone segment to see an annual gain, rising 1.2%, to 749,622.

source https://www.supplychain247.com/article/iana_data_points_to_declining_september_intermodal_volumes