Due to track construction work in Löchligut (east of Bern), the direct route for freight trains from the Olten area to the Bernese Oberland and vice versa was closed and the trains were diverted via Gürbetal, via Bern HB-Belp-Uetendorf to Thun. Train 60023 from Lausanne via Martigny-Sion-Brig-Lötschberg Basistunnel-Thun-Bern HB-Burgdorf-Olten-Lenzburg to the RBL with Re 420 # 291 (Re 4/4 II # 11291) and Re 620 # 063 (Re 6/6 # 11663) of the SBB in multiple control between Seftigen and Burgistein.
