The largest UK port was Grimsby & Immingham. In 2017, there had been a total of 54.03 million tonnes moved via Yorkshire and the Humber. Of this, 37.6 million was inward sea freight. The change in goods moved through leading UK ports reflected the overall industry trend of current decline - inward traffic for Grimsby & Immingham had been falling since 2013.
The second busiest port in the country was London. London had seen an even greater amount of goods arriving in its harbor compared to Grimsby & Immingham, with 42.3 million tonnes recorded in 2017. However, outward traffic in London was only half the size of Grimsby & Immingham. Another important sea freight port, Milford Haven in Wales had seen 11.7 million tonnes departing from its shores.
Milford Haven was also the leading port for the transportation of liquified gas, pushing ahead of Forth in Scotland and Tees and Hartlepool in Yorkshire and the Humber. By comparison, Forth and Tees and Hartlepool were the greatest crude oil moving ports.