The X42 and X43 routes are bus routes operated by Go North East in Newcastle, England. It runs between Blyth and Newcastle and is also known as the Bargin Bus because of its cheap fares. 
Route from Blyth[]
- Blyth Bus Station
- Plessey Road Sea Horse
- Newsham Road Burns Avenue
- Newsham Farm Estate Shops
- Newsham Black Diamond
- Cramlington High Pit
- Cramlington Parkside Grange
- Cramlington Manor Walks
- Dudley Weetslade Social Club
- Wideopen Travellers Rest
- Regent Centre Metro
- Gosforth Brandling Arms
- Newcastle Haymarket
Route From Newcastle[]
- Newcastle Haymarket Stand S
- Gosforth Ivy Road
- Regent Centre Metro
- Wideopen Travellers Rest
- Dudley Weetslade Social Club
- Cramlington Manor Walks
- Cramlington Parkside Grange
- Cramlington High Pit
- Newsham Black Diamond
- Newsham Farm Estate Shops
- Newsham Road Burns Avenue
- Plessey Road Sea Horse
- Blyth Bus Station