The M4 Newport tunnels will be routinely closed for maintenance over the coming months.
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To help plan trips look out for diversions as follows:
Scheduled weekend closures for the Brynglas Tunnels on the M4:
Westbound:
- 20:00 Saturday 1 July – 06:00 Monday 3 July
- 20:00 Saturday 15 July – 06:00 Monday 17 July
Eastbound:
- 20:00 Saturday 16 September – 06:00 Monday 18 September
- 20:00 Saturday 23 September – 06:00 Monday 25 September
- 20:00 Saturday 7 October – 06:00 Monday 9 October