can a BC drive a bus from another depot?

for eg 147, can a HG BC drive a BB bus? if a trident cameo on 147, can a BB BC drive it?

for eg 147, can a HG BC drive a BB bus? if a trident cameo on 147, can a BB BC drive it?

Maybe not, but AR BCs can drive BB bus, while AM BCs can drive BR bus. =)

for eg 147, can a HG BC drive a BB bus? if a trident cameo on 147, can a BB BC drive it?

No.