Underground Delays
Area - train to Area - signal - Records
| Line | Date | Time | Delay | Acc Delay | Station | Cause | Area | |
| #1 | Central | 11-Mar-96 | 0724 | 8 | 12 | Marble Arch | defective signal equipment on train | train signal |
| #2 | Piccadilly | 25-Mar-96 | 1716 | 139 | Arnos Grove | combination of stalled strain and signal error | train signal | |