Scotland's ambulance service is to undertake the most extensive review of its operations in its 50-year history from now until next April. Beyond 2000 will examine non-emergency services and operations control rooms and evaluate a priority-based dispatch system. Ray Hepburn, project leader in charge of the priority dispatch system, said: 'The biggest concern for the public will be whether they can still dial 999 and get an ambulance. We are saying they will, but that they might not get one straight away. There is an education issue and an issue about public expectations and we need to address both if people are to understand why we are doing this.'