TEP to develop TRM trolleybus line in Parma, Italy April 23, 2025 | Europe News, News Trasporti Pubblici Parma SpA (TEP) has announced plans to develop a Trasporto Rapido di Massa (TRM) trolleybus project in Parma. The trolleybus line will span 8 km and will be developed at an investme... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password