Yes, when they were made under HiT Toys, the only thing different from the TOMY versions were the track, and they included special adapters to connect both types of track. I think the UK boxes had branding for both HiT Toys and TOMY for a while. If you search for Ucwepn's TOMY and Trackmaster Stanley review, he talks about that briefly.
Modeling the LNER (and some Thomas stuff) in OO Scale.