Scanned Timetables - click on timetable date
14 June 1969
16 August 1970
04 October 1970
23 March 1974
09 September 1979
21 March 1982
As at October 1982
29 January 1983
03 August 1985
02 September 1985
01 February 1986
16 February 1986
28 September 1986
22 November 1986
07 June 1987
26 July 1987
26 July 1987 - Potters Bar
02 September 1989
03 September 1989 - Potters Bar
29 June 1991
01 July 1991
03 February 1992
26 February 1994
26 February
1994 R
12 March 1994 - Potters Bar
As at January 1998 - Potters Bar
25 July 1998
07 May 2002
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