Marienborn was a major border crossing point for West Germans to enter East Germany.
It was also the entry point for a special "transit route" West Germans could take to drive to West Berlin without properly/officially entering East German territory. This was a scheme devised as part of the policies of easing East-West relations in the early 1970s.
The crossing point had a separate section manned by the Soviets who controlled the transit route to West Berlin for the Allied Forces.

The museum has a central display building (upper centre of the picture) with the passport control buildings spread over a large area.

One of the many car lanes where West Germans would present their travel documents to the East German border guards.

Travel documents were taken for examination which could take some time.

Long queues would often develop at the border controls.

Trucks would drive under an observation gantry for guards to check the loads.

The Allied section of the border controls.........watch the video at the end of the page to see the process of transiting to Berlin.

This is Soviet office where members of the Allied Forces would hand in their paperwork for examination.

The film was produced by the Royal Military Police (RMP) to explain the procedures for first time travellers.

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