The reconstruction of the M3 metro line was completed in May, however, changes were even made at the end of June for a safer, barrier-free traffic. By installing the Platform Gap Filler (PGF), we ensure a more comfortable getting off and on the vehicles for those travelling with wheelchairs, strollers, suitcases and heavy luggage. The use of the devices is considered a novelty in Hungary, first to be used by passengers of the blue metro line.