| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2006 | 978-1-906006-00-6 | Scotland: Scottish Executive | Scottish Trunk Road and Motorway Tourist Signposting: Policy and Guidance |
| 2007 | 978-1-906006-20-4 | Scotland: Transport Scotland | Transport Scotland 2006/2007: Annual Report and Accounts |