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CONTENTS

1. Page

2. SYNOPSIS ................................................................................................................................................................................................................................................................................................................................................................................................

   1

3. INVESTIGATION ................................................................................................................................................................................................................................................................................................................................................................................................

   2

4. The Accident ................................................................................................................................................................................................................................................................................................................................................................................................

   2

5. Injuries to Persons ................................................................................................................................................................................................................................................................................................................................................................................................

   8

6. Damage to Trains ................................................................................................................................................................................................................................................................................................................................................................................................

   8

7. Crew Information ................................................................................................................................................................................................................................................................................................................................................................................................

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8. Train Information ................................................................................................................................................................................................................................................................................................................................................................................................

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9. Method of Operation ................................................................................................................................................................................................................................................................................................................................................................................................

   10

10. Meteorological Information ................................................................................................................................................................................................................................................................................................................................................................................................

    13

11. Survival Aspects ................................................................................................................................................................................................................................................................................................................................................................................................

    13

12. Tests and Research ................................................................................................................................................................................................................................................................................................................................................................................................

    14

13. Other Information ................................................................................................................................................................................................................................................................................................................................................................................................

    15

14. ANALYSIS ................................................................................................................................................................................................................................................................................................................................................................................................

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15. CONCLUSIONS ................................................................................................................................................................................................................................................................................................................................................................................................

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16. Findings ................................................................................................................................................................................................................................................................................................................................................................................................

    20

17. Probable Cause ................................................................................................................................................................................................................................................................................................................................................................................................

    21

18. RECOMMENDATIONS ................................................................................................................................................................................................................................................................................................................................................................................................

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19. APPENDIXES ................................................................................................................................................................................................................................................................................................................................................................................................

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20. Appendix A - Excerpts from CTA brochure "Cab Control Signalling". ................................................................................................................................................................................................................................................................................................................................................................................................

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21. Appendix B - Mathematical Analysis from IITRI ................................................................................................................................................................................................................................................................................................................................................................................................

    24

22. Appendix C - CTA Bulletin S—511-76 ................................................................................................................................................................................................................................................................................................................................................................................................

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23. Appendix D - Wabah-Lake Curve Data ................................................................................................................................................................................................................................................................................................................................................................................................

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