- A550 between A5104 and A5104, Flintshire (Grid ref SJ298617)
- A550 between A5104/A5118 and A549, Flintshire (Grid ref SJ304630)
- A550 between B5373 and A5104, Flintshire (Grid ref SJ305600)
- A550 between A549 Dirty Mile and A55, Flintshire (Grid ref SJ306639)
- A550 between A541 and B5373, Flintshire (Grid ref SJ309580)
- A550 between A55 and B5125 The Highway, Flintshire (Grid ref SJ312650)
- A550 between B5125 The Highway and A494, Flintshire (Grid ref SJ314660)
- A550 between A548 and A548, Flintshire (Grid ref SJ333698)
- A550 between A458/A494 and Flintshire boundary, Flintshire (Grid ref SJ338710)
- A550 between LABoundary and A5117, West Cheshire (Grid ref SJ340713)
- A550 between A5117(T) and A540, West Cheshire (Grid ref SJ342720)
- A550 between A5117(T) and A540, West Cheshire (Grid ref SJ342720)
- A550 between A540 and B5463, West Cheshire (Grid ref SJ353754)
- A550 between B5463 and A41(T), West Cheshire (Grid ref SJ362780)