the international society for weigh-in-motion (iswim, www.is-wim) is an international non-profit organization, legally established in switzerland in 2007. iswim is an international network of, and for, people and organisations active in the field of weigh-in-motion. the society brings together users, researchers, and vendors of wim systems. this includes systems installed in or under the road pavements, bridges, rail tracks and on board vehicles. iswim organises periodically the international conferences on wim (icwim), regional seminars and workshops as part of other international conferences and exhibitions.