I think that's very much the case.
BTW, this is the route I think you're trying to recall
PC0003681/361 - GREATER MANCHESTER BUSES SOUTH LTD T/A STAGECOACH MANCHESTER, HEAD OFFICE, HYDE ROAD, ARDWICK, MANCHESTER, M12 6JS
Registration Accepted
Starting Point: Manchester
Finish Point: Farnworth
Via:
Service Number: 38
Service Type: Normal Stopping
Effective Date: 18-MAY-2014
Other Details: Service introduced
Their retaliation against the 42 moves by First. I'd be surprised if there's much more activity after that
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There were a number of tendered services that Wessex operated:
Ser 507 was replaced by the new First 17 Keynsham to Southmead Hosp
Ser 581 was replaced by the new First 81 Yate to Kingswood (though the route does differ in several respects)
Sers 482/3 were replaced by new First 82 Yate to Southmead Hosp
Ser 689 was replaced by new First X49 Bristol to Yate via Pucklechurch
Ser X27 was to be replaced by new First X46 Bristol to Yate but then, as you say, Wessex registered it commercially and reduced the fares!
All are commercial registrations by First. Some, on the face of it, look quite daring! I used to live in that part of the city (now I'm a country squire

) but was working around the area and it's really noticeable how it's gone from being a border zone to being very much First with a few Wessex tenders.