Restricting and partitioning the public estate should be an option of last resort. Separating different user groups from one another, and setting them up in competition to one another, is unlikely to lessen conflict. And the question of allocating scarce opportunities will rightly raise questions of equal treatment, fairness, equity and need. These will be highly contentious issues, and could see the abdication of management responsibilities into the political arena. Be careful what you wish for!