M50 traffic at a standstill on the northbound lanes between Clondalkin and Lucan in May 2024. Photograph: Colin Keegan/Collins DublinTransport Infrastructure Ireland (TII) has said it has “done everything we can do” to alleviate traffic congestion on the M50, with capacity now “beyond Celtic Tiger numbers”. The western side of the circle was built in the form of the M50, which was completed in sections, opening from 1990 to 2010. The eastern side, however, which would have required a tunnel under or bridge over Dublin Bay, never went ahead. [ Drivers to face higher tolls on M50 and Dublin Port Tunnel from JanuaryOpens in new window ]

Source: The Irish Times December 04, 2025 00:28 UTC