What is the latest status of the project “M4 Relief Road Project”?

The status recorded for “M4 Relief Road Project” is blocked.

Who are the main government, EPC, and private stakeholders for “M4 Relief Road Project”?

Taiyo maps the stakeholders of “M4 Relief Road Project”: government bodies (Welsh Government).

What is the budget and commercial profile for the project “M4 Relief Road Project”?

Taiyo normalizes the budget of “M4 Relief Road Project” to USD 1955963100.

Where can I verify the source and access all details for “M4 Relief Road Project”?

This Taiyo project page references South Wales Argus along with the original URL (https://www.southwalesargus.co.uk/news/25673641.why-blocking-m4-relief-road-/). Taiyo standardizes official data into a consistent, searchable project profile.

M4 Relief Road Project

Sector: Mass Transit • Location: Newport, Wales, United Kingdom

Source: South Wales Argus

Project

Blocked

The M4 relief road project is a long-debated infrastructure scheme aimed at easing congestion around the Brynglas Tunnels near Newport, South Wales. Initially proposed in the 1990s, the project was scrapped in 2019 due to concerns over cost and environmental impact. The Welsh Government currently blocks the project, opting instead for alternative measures such as speed restrictions, improved publi

Status: Closed
Sector: Mass Transit, Government, Road
Location: Newport, Wales, United Kingdom
Updated: 22 Jul 2026
Source: South Wales Argus

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Project Information

5 Q

The project “M4 Relief Road Project” is an infrastructure initiative in the Mass Transit sector, located in Newport, Wales, United Kingdom. Taiyo aggregates data on it from South Wales Argus.

Participants

Sponsoring Agency

Status

Original status	blocked
Taiyo status	Closed
Taiyo last update	2026-07-22

Contact

Not available for this record.

Description

Description	The M4 relief road project is a long-debated infrastructure scheme aimed at easing congestion around the Brynglas Tunnels near Newport, South Wales. Initially proposed in the 1990s, the project was scrapped in 2019 due to concerns over cost and environmental impact. The Welsh Government currently blocks the project, opting instead for alternative measures such as speed restrictions, improved public transport, and reconfigured junctions recommended by the South East Wales Transport Commission.
Original sector	Transport
Budget

Location

Country	United Kingdom (UK)
State	Wales
City	Newport

Source

Source	South Wales Argus
URL

More Details

Record type	Project
Sector	Mass Transit, Government, Road
Article published date	2025-12-07

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