Noise reduction for TINA: HEAG mobilo records progress in TINA commissioning

During the commissioning of the new TINA trams of the ST15 series, HEAG mobilo and the manufacturer Stadler have made further progress: the noises that have been heard so far when opening and closing the doors will be reduced in the coming weeks by the transport company together with the manufacturer Stadler in terms of frequency and volume. [...]