A file containing documents concerning travel by Allied officials to and from Berlin. Subjects covered in the file include sector-crossing procedures for British officials visiting East Berlin; trials of a new style of British passport with a diplomatic stamp; proposed American retaliation for delays at Checkpoint Charlie; and new instructions for British officials arriving in Berlin for the first time. Other subjects discussed in the file include the detention of an American military freight train by Soviet officials for over twenty-four hours, supposedly in error; the harassment of a British motorist by East German police on the autobahn between West Berlin and West Germany; applications to travel to East Berlin and East Germany following an increase in the minimum exchange requirement; and the issuing of second passports to British officials visiting East Germany.