Pesa Bydgoszcz to supply trams to Sofia, Bulgaria November 22, 2021 | Europe News Pesa Bydgoszcz has secured an order for 25 Swing trams from Elektrotransport, the transport operator in Sofia. The order will include 1009 mm gauge trams with 30-metre-long five-section low-floor cars... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password