 The proposed new tramway would be named "Regiotram", and would link Ipsach with Bözingen/Boujean () from 2020, via the route of the Biel–Täuffelen–Ins-Bahn ().On 18.August 1877, the "Compagnie générale des tramways suisses" (TS) opened a horsecar tramway from Bözingen/Boujean to Nidau Schiffländte.