(08 Oct 2023, 8:24 pm)N391OTY wrote In the good old days, I seem to remember 721 Newcastle to Crook (Northern), 722 Newcastle to Darlington (Northern), 723 Newcastle to Darlington (United) and 724 Newcastle to Bishop Auckland (United). All operated from Worswick Street bus station in Newcastle. I may be wrong about who operated which service but I don't think any of them were jointly operated. Happy to be corrected, though !
722/723 were jointly operated until mid to late 90s, (possibly even early 00s).