At present the Operating Companies are contracted to manage and maintain the trunk road network on behalf of the Scottish Executive. They undertake:
The trunk road network is separated into four operational areas. Each area is managed and maintained under a separate contract. The four areas are:
The Operating Company contracts last for a period of five years with the option of these being extended to seven years.
The roads highlighted above form the trunk road network in Scotland. An A4 size PDF version of the map is also available.