Tunnel Closures
| Start Date | Start Time | End Date | End Time | Reason |
|---|---|---|---|---|
| Monday 8th March | 21:00 | Tuesday 9th March | 04:00 | Planned Maintenance |
| Tuesday 9th March | 21:00 | Wednesday 10th March | 04:00 | Planned Maintenance |
| Wednesday 10th March | 21:00 | Thursday 11th March | 04:00 | Planned Maintenance |
| Thursday 11th March | 21:00 | Friday 12th March | 04:00 | Planned Maintenance |
| Monday 22nd March | 21:00 | Tuesday 23rd March | 04:00 | Full Tunnel Closure – Planned Maintenance |
| Tuesday 23rd March | 21:00 | Wednesday 24th March | 04:00 | Full Tunnel Closure – Planned Maintenance |
| Wednesday 24th March | 21:00 | Thursday 25th March | 04:00 | Full Tunnel Closure – Planned Maintenance |
| Friday 2nd April | 21:00 | Friday 2nd April | 23:30 | Full Tunnel Closure – Planned Maintenance |
| Friday 2nd April | 23:30 | Tuesday 6th April | 02:00 | Closure Northbound (Southbound Contraflow in Operation) |
| Tuesday 6th April | 02:00 | Tuesday 6th April | 04:00 | Full Tunnel Closure – Planned Maintenance |
