Tunnel Closures
| Start Date | Start Time | End Date | End Time | Reason |
|---|---|---|---|---|
| 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) *Entire Easter Weekend |
| Tuesday 6th April | 02:00 | Tuesday 6th April | 04:00 | Full Tunnel Closure – Planned Maintenance |
| Tuesday 20th April | 21:00 | Wednesday 21st April | 04:00 | Full Tunnel Closure – Planned Maintenance |
| Wednesday 21st April | 21:00 | Thursday 22nd April | 04:00 | Full Tunnel Closure – Planned Maintenance |
| Thursday 22nd April | 21:00 | Friday 23rd April | 04:00 | Full Tunnel Closure – Planned Maintenance |
| Monday 26th April | 21:00 | Tuesday 27th April | 04:00 | Full Tunnel Closure – Planned Maintenance |
| Tuesday 27th April | 21:00 | Wednesday 28th April | 04:00 | Full Tunnel Closure – Planned Maintenance |
| Wednesday 28th April | 21:00 | Thursday 29th April | 04:00 | Full Tunnel Closure – Planned Maintenance |
| Thursday 29th April | 21:00 | Friday 30th April | 04:00 | Full Tunnel Closure – Planned Maintenance |
| Monday 24th May | 21:00 | Tuesday 25th May | 04:00 | Full Tunnel Closure – Planned Maintenance |
| Tuesday 25th May | 21:00 | Wednesday 26th May | 04:00 | Full Tunnel Closure – Planned Maintenance |
| Wednesday 26th May | 21:00 | Thursday 27th May | 04:00 | Full Tunnel Closure – Planned Maintenance |
| Thursday 27th May | 21:00 | Friday 28th May | 04:00 | Full Tunnel Closure – Planned Maintenance |
