Boots was far from happy with the situation. He was breaking one of his own golden rules: if it didn't feel right, walk away. He stood under a 'Buses Only' sign, his hands in his Parka pockets, the hood shielding his face from the drizzle. He was wet and cold. He had been standing in exactly the same spot for about half an hour and still couldn't get the timings right. Green for about a minute and red for ' how long? Sometimes four minutes, sometimes four and a half. Such inconsistency was irksome ' and thirty seconds could be the difference between success and failure.