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Rydym yn croesawu galwadau’n Gymraeg | We welcome calls in Welsh

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The Welsh Government’s traffic information service for motorways and trunk roads in Wales

A487 Caernarfon to Bontnewydd Bypass

Start date: 28/03/2023 | End date: 31/03/2023

A487 Caernarfon to Bontnewydd Bypass. Overnight closures to carry out structure inspections.

28/03/23 22:00 – 05:00

Closure of the A487 Caernarfon bypass in both directions for one night between Goat roundabout and Meifod roundabout to carry out structures inspections.

29/03/23 - 31/03/23 22:00 – 05:00

Closure of the A487 Caernarfon bypass in both directions for two night between Cibyn roundabout and Plas Menai roundabout to carry out highway inspections and general highway maintenance beginning Wednesday 29/03/2023 between 22:00 – 05:00.

29/03/23 - 31/03/23

Diversion route will be via the A4086 Llanberis Road and A4871.

For further information, please contact Traffic Wales on 0300 123 1213 or via Twitter @TrafficWalesN


Call the Traffic Wales information line
0300 123 1213

Rydym yn croesawu galwadau’n Gymraeg
We welcome calls in Welsh

Contact us