top 508508 Halifax BS - Leeds City BS. A bus service operated by First Halifax. Armley, Armley Gyratory (Leeds) From Tuesday 18 February 2025. Disruption to services due toThe 508 sits on Stellantis’ EMP2 platform, as used by countless bgish Peugeots, Citroens, DSs and Vauxhalls. It's relatively lht for its size, but doesn't feel fragile or floppy.