Ship congestion slows container volumes at Seattle-Tacoma in October 17 November 2021 Container throughput at the Ports of Seattle and Tacoma in October dropped from September as…Author: Capt. Johnhttps://www.spglobal.com/platts/en/market-insights/latest-news/shipping/111721-ship-congestion-slows-container-volumes-at-seattle-tacoma-in-october