Seven further, Citadis 402 variants were procured for use on the St. Stephen's Green – Broombridge line. They were brought into service between January and June 2018. These are numbered as members of the 5000 Class, with all existing 5000 Class units being lengthened to match. 8 further new units were ordered for delivery during 2020, with the first of those entering service in July 2020. In October 2019, it was announced that 26 existing Green Line trams would be extended to .