The newest SBB vehicle and the oldest signals. Self propelled dual power (electric/diesel-electric) EHFZ (Erhaltungsfahrzeug/maintenance vehicle) for the Gotthard Base Tunnel, Xem 181 # 011, together with Re 4/4 II # 11144, is leaving Biel RB (shunting yard) to Solothurn on a test run. In Biel RB, the last and only, wire operated, mechanical signals (semaphors and shunting signals) of the SBB are still in daily use. 13 of this yellow Xem vehicles for the maintenance of the Gotthard and Ceneri Base Tunnels will be delivered by Harsco Rail (a US company) from Germany.
