Class 398 tram-trains enter final testing phase ahead of South Wales service launch, UK February 16, 2026 | Europe News, News A fleet of 36 new British Rail Class 398 Citylink tram-trains is undergoing final testing before entering passenger service in Wales. The vehicles will begin operations in spring 2026 on several Core ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password