Region: Scotland
M90. Inverkeithing to Perth motorway and M85. Perth by-pass
Statistics and options.
| Section | Contract started | Opened to traffic |
| Forth Road Bridge & North Approach Roads | December 1960 | August 1964 |
| Crossgates – Kelty and Cowdenbeath Bypass Stage I | December 1967 | December 1969 |
| Crossgates – Kelty and Cowdenbeath Bypass Stage II | January 1968 | December 1969 |
| Halbeath Interchange – East Fife Regional Road Connecting Roads | March 1998 | |
| Kinross and Milnathort Bypass | December 1969 | May 1972 |
| Arlary-Arngask | November 1974 | March 1977 |
| Arngask-Muirmont | December 1977 | October 1980 |
| Muirmont – Craigend | July 1975 | December 1977 |
| Craigend – Broxden | February 1976 | May 1978 |