The UK Highway Code was revised a few years ago to explicitly allow and even recommend cycling two-abreast[1]. 1: https://www.gov.uk/guidance/the-highway-code/

The UK Highway Code was revised a few years ago to explicitly allow and even recommend cycling two-abreast[1]. 1: https://www.gov.uk/guidance/the-highway-code/rules-for-cyclists-59-to-82 https://www.gov.uk/guidance/the-highway-code/rules-for-cycli...