| | Siemens, Balfour Beatty |
| | ongoing |
| | north-west England |
| | May 2012 |
| | Jun 2019 |
| | Costain, Skanska, Geoffrey Osborne, Balfour Beatty, Morgan, Vinci, BAM, Ferrovial, Kier, Alstom, TSO, Keltbray |
| | ongoing |
| | London |
| | Apr 2012 |
| | Dec 2020 |
| | Skanska Balfour Beatty Civil Engineering Joint Venture |
| | Essex, Bucks, Herts |
| | Jan 2009 |
| | Dec 2014 |
