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System timetable
Effective April 1973 |
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System timetable
Effective 1 November 1975 |
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System timetable
1 July 1991 - 31 October 1991 |
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System timetable
1 November 1991 - 31 March 1992 |
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System timetable
29 March 1992 - 31 October 1992 |
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System timetable
27 October 1996 - 31 March 1997 |
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System timetable
25 October 1998 - 27 March 1999 |
