Trucks travelling to destinations in Wales from Ireland will need to drive all the way to England for post-Brexit checks before travelling back to Wales, sources have told the Daily Post.
Checks will need to be carried out on traffic coming through Holyhead from the Republic of Ireland after the end of the Brexit transition period.
No facility has been built on Anglesey to deal with the lorries and may not be ready for two years, so the lorries will be directed to interim sites in Birmingham and Warrington.
The Warrington site is understood to be a depot at Appleton Thorn, while the Birmingham site will be near Solihull, an hour and 48 minutes and three hours and a half from Holyhead respectively.
Holyhead’s commercial and ferry port is one of the UK’s busiest and primarily handles shipping back and forth from Dublin.
About 1,200 lorries and trailers a day move both ways through Holyhead port, 100 through Fishguard, and 175 through Pembroke. Inbound lorries will not face any checks by UK authorities until July 2021.
Plans for a lorry customs site near Mona showground on Anglesey were dropped in October.
Opposition members were trying to overturn a decision by council leaders to reject the request to use the local authority-owned car park.
In September Cabinet Minister Michael Gove said that the UK Government was “working with the Welsh Government in order to invest in a facility near Holyhead in Anglesey in order to ensure that transit and other procedures can facilitate the flow of traffic and trade.”