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

A487 Felinheli Bypass

Start Date: 01/06/26 - End Date: 21/06/26

Resurfacing works on the Felinheli Bypass.

Y Felinheli

 

Details of Restrictions

Start Date and Time**

End Date and Time**

Notes

Closure of the A487 Felinheli bypass in southbound direction for 6 evenings from Monday 01/06/2026 – Saturday 06/06/2026 

20:00 01/06/2026

04:00 07/06/206

Diversion route will be via B4547 and B4366 through Bethel.

Surface treatment works during daylight hours 08/06/2026 – 17/06/2026

05:00 08/06/2026

22:00 17/06/2026

Works to be carried out under 2 way lights

Closure of the A487 Felinheli bypass Southbound for line painting for up to 5 nights
17/06/2026 - 21/06/2026
20:00
17/06/2026
02:00
21/06/2026
Diversion route will be via B4547 and B4366 through Bethel.

 

 

Diversion route North will be via the B4366 through the village of Bethel and then the B4547. Diversion south will follow the same route in reverse. 

 

For more information, please contact us on 0300 123 1213 or [email protected]