Commentary on Sections Powers Section 30: Road closure: immediate
80.A member of the armed forces, or someone authorised by the Secretary of State, may close roads, divert them and restrict and prohibit the use of rights of way or waterways where it is immediately necessary for the preservation of peace or the maintenance of order. These powers are also intended for the management of the marching season in Northern Ireland. For example, roads and public rights of way may be closed at short notice in reaction to events on the ground.