I would say quite a lot, for VR operators - if you take into account those depots that closed in the dark days of 1970-71. Even then there will still be quite a few. Off the top of my head I can think of: Ribble at Ulverston, Grange-over-Sands, Liverpool, Bury, and Skipton; Yorkshire at Bradford and Liversedge; West Yorkshire at Grassington, Ilkley, Pateley Bridge, Scarborough, and Wetherby; Lincolnshire at Goole; Western Welsh/Crosville at Newcastle Emlyn and New Quay, and Western Welsh at Carmarthen - and did Western Welsh/South Wales ever operate VRs from Haverfordwest?; Western Welsh/National Welsh from Brecon, and I'd be surprised if Red & White/National Welsh at Abergavenny wasn't entirely single-deck by the NBC years - the Red & White/National Welsh garage at Cardiff Gelligaer Street, being a coach garage only. never saw a VR; and London Country's small allocation of VRs only operated from Grays, so you can add every other London Country garage onto the list.