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

A55 Abergwyngregyn to Tai’r Meibion improvements

Start Date: March 7th, 2022 | End Date: Spring 2023 

A55 junction 13 abergwyngregyn tai'r meibion

This project will improve the road's drainage system and safety on this section of the network. 

Overnight closure eastbound between J11-14 on December 2nd for two nights.

For more information regarding the improvements works, please see Welsh Government links below, for information on traffic management see details below.

The majority of works on the main carriageway will be completed by the end of December. However, further works adjacent to the A55 will require additional traffic management on the main carriageway such as:

  • overnight lane closures in both directions with a reduced speed limit.
  • a limited amount of full closures eastbound to remove temporary barriers and average speed enforcement cameras.

Eastbound overnight closure

  • Overnight closure eastbound for two nights between J11 Llandygai - J14 Madryn from 22:00-06:00 on December 2nd to 4th to remove the temporary barriers.

A55 J13 eastbound off-slip closure 

  • 24h closure at the J13 eastbound off-slip (excluding weekend closures) on 21:00 from November 17 to December 8 to complete works on the adjoining county road network.

Traffic will be diverted to continue on the A55 eastbound carriageway, then to leave at J14 eastbound off-slip, before returning on the A55 westbound carriageway where traffic can exit the A55 at J13 where the diversion ends.


During full closures the diversion is as follows:

The 40mph speed limit is in place to protect motorists and the workforce who will be working closely to live traffic. We kindly ask drivers to respect our road workers, to slow down near works and obey speed limits and signs.


During a recent westbound closure for resurfacing, the length of the speed restriction was reduced.

Works to remove all temporary barriers on the westbound are due to be complete by the end of December. Following this, the 40mph speed restriction will be removed in this direction.


Works on the county road network close to the A55 eastbound carriageway at J13 are not scheduled for completion until Spring 2023.  Due to their proximity to the A55 a temporary barrier and the 40mph eastbound speed restriction will need to remain in place until this time. 


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