It is the product of the amalgamation of several major roads around Manchester and Salford city centres to form a circular route.
A major component of the ring road is the A57(M) motorway (Mancunian Way) to the south of Manchester city centre.
During 2019-2021, improvements were made to Great Ancoats Street north-east of the city centre, making it mostly dual carriageway.
The final section to the south-west of Manchester city centre between the Mancunian Way near the Granada Studios and the end of Trinity Way at Salford Central railway station was completed on 29 November 2004.
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