M73 motorway

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The M73 approaches a railway bridge

The M73 is a motorway in Lanarkshire to the east of Glasgow. It is seven miles long and connects the M74 motorway with the M80 motorway, providing an eastern bypass for Glasgow.


Starting at the M74 junction 4 (M73 junction 1) by the River Clyde, it proceeds north with Birkenshaw to the east and crosses the Whifflet railway line before meeting the M8 and A8 at a three-level interchange, west of Swinton. Immediately afterwards the North Clyde railway line and then passes alongside Woodend Loch before reaching junction 2A at Gartcosh. There is then a further two miles of motorway, before traffic exits onto the M80 westbound.

The road is a dual 3 lane road between junctions 1 and 2, and a dual 2 lane road between junctions 2 and 3.

History and future plans

Construction began in 1969 with the motorway opening between May 1971 and April 1972.[1] Junction 2A was added at a later date.[2]

In 2011, the northern end was extended as part of the M80 completion project. This connects the motorway into the completed M80 at a new interchange.[3]


The interchange with the M74.
M73 motorway
Northbound Junction Southbound
Cumbernauld, Stirling M80 J3 Start of motorway
Gartcosh, Muirhead (A752) J2A Gartcosh, Muirhead (A752)
Edinburgh, Livingston (M8)

Glasgow (East) A8

J2 Edinburgh, Livingston (M8)

Glasgow (East) A8

Glasgow (City Centre) M8 No exit
Start of motorway J1/
M74 J4
The South, Carlisle
Glasgow (S.E.) M74


Outside links

Motorways in the United Kingdom

Great Britain: M1  • M2  • M3  • M4  • M5  • M6  • M6 Toll  • M8  • M9  • M10  • M11  • M18  • M20  • M23  • M25  • M26  • M27  • M32  • M40  • M42  • M45  • M48  • M49  • M50  • M53  • M54  • M55  • M56  • M57  • M58  • M60  • M61  • M62  • M63  • M65  • M66  • M67  • M69  • M73  • M74  • M77  • M80  • M85  • M90  • M180  • M181  • M271  • M275  • M602  • M606  • M621  • M876  • M898  • Sections of A road: A1(M)

Former motorways marked in italics

Northern Ireland: M1  • M2  • M3  • M5  • M12  • M22