During the Israeli War of Independence, the Etzioni Brigade built a secret cable car between the Mount Zion Hospital (a few minutes away from the First Station) to the Bishop Gobat School (today the Jerusalem University College) on the other side of the Valley of Hinnom, to transport wounded and supplies.[3][4][5] The project was code names "Derech Avshalom". The cable car was used regularly for about six months, until the armistice agreements were signed. After that, the cable car was a military secret, and remained usable until the Six Day War, when it became redundant with the unification of the two parts of the city.
The existence of the cable car remained a secret from the public until 1972, when it was decided to commemorate it in a museum. Entrance to the cable car museum is by prior arrangement with the hotel's security department.