Is this the biggest yellow box junction in the UK or Ireland?

Maghera in County Londonderry unveiled a massive 40m long yellow box junction, sparking debate over whether it's the biggest in the UK, Ireland, or the world. Locals find it "ridiculous" and hope it will improve traffic flow on the A29 Tobermore Road. Despite concerns over its size, some residents see potential for it to become a tourist attraction in the small town.