The Scottish Executive is responsible for the maintenance for 94 Gatso and 45 loop or sub-surface sensor type speed camera sites on the trunk road network in the following police force areas:Central7 loop sitesDumfries and Galloway13 sub-surface sensor sitesGrampian28 Gatso sitesLothian and Borders45 Gatso sitesNorthern10 loop sitesTayside21 Gatso sites 15 loop sites.The police have been supplied with cameras for both types of site.