Bi-articulated trolleybus test commences in Bratislava, Slovakia November 20, 2020 | Europe News Dopravný podnik Bratislava (DPB), the public transport provider in Bratislava, has commenced the testing of a bi-articulated Solaris Trollino 24 trolleybus. The test will be conducted on all ro... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password