If the lights are out of order, so is the crossing. Just the same as if the traffic lights are out of order. But any driver with common sense should approach the crossing with caution if pedestrians are seen waiting to cross. But also pedestrian should treat the situation as though it is not a safe crossing anymore because there is no GREEN LIGHT to indicate it is safe to cross. No GREEN LIGHT indicates that in affect it is A RED LIGHT. You wouldnt walk across the road without a crossing without taking due careand attention, just as much as you wouldnt walk across the road at a crossing which had its lights on RED. Its just a matter of common sense and making asure you stay safe. Hope this answer helps, Mike.