[electronic toll collection] KGS, acronym for Kartlı Geçis Sistemi (literally: Pass System with Card), was an electronic toll collection system of contactless smart card type available on toll roads and toll bridges in Turkey. It was abolished on 1 February 2013. The system was adopted to avoid traffic congestion at toll plazas. An altern... Found on http://en.wikipedia.org/wiki/KGS_(electronic_toll_collection)