Region: North East
Leeds Southern Motorway (M621)
Statistics and options.
| Section | Construction started | Opened to traffic |
| Gildersome Street to Beeston (J27(M62)) to J1 | September 1971 | November 1973 |
| Leeds South Western Urban Motorway (J1 to J3) | 1973? | 1975? |
| Leeds South Eastern Urban Motorway (J3 to J7) | January 1971 | December 1972 |