, Hampshire on route 21. Stagecoach in the South Downs 15596 (GX10 HBE), a Scania N230UD / Alexander Dennis Enviro400 in The Hard Interchange , Portsmouth , Hampshire on route 700. Stagecoach in the South Downs 15598 (GX10 HBG), a Scania N230UD / Alexander Dennis Enviro400 in Commercial Road,