Level Crossing (Balnamore) Order (Northern Ireland) 1998 No. 143

SCHEDULE 2 Conditions and Requirements to be Complied with by the Railway Undertaking

11.  In the event of the failure of both intermittent red lights in any of the road traffic signals, when the intermittent red lights should be shown, both barriers shall descend immediately (if not already lowered) and shall remain lowered.