- A551 between M53/A5027 and A553, Wirral (Grid ref SJ263895)
- A551 between A5027 and M53, Wirral (Grid ref SJ267886)
- A551 between A552 and A5027, Wirral (Grid ref SJ271870)
- A551 between B5138 and A552, Wirral (Grid ref SJ276855)
- A551 between Barnsdale Ave and B5138 Thingwall Rd East, Wirral (Grid ref SJ278850)
- A551 between A553 and A554, Wirral (Grid ref SJ280920)
- A551 between A540 and Whitehouse Lane, Wirral (Grid ref SJ280817)
- A551 between Whitehouse Lane and Barnsdale Ave, Wirral (Grid ref SJ282830)
- A551 between A554 and B5477, Wirral (Grid ref SJ290923)
- A551 between B5477 and B5145, Wirral (Grid ref SJ294922)
- A551 between B5145 and St Alban's Rd, Wirral (Grid ref SJ300919)
- A551 between Mill Lane and Wallasey Rd, Wirral (Grid ref SJ306918)
- A551 between St Alban's Rd and Mill Lane, Wirral (Grid ref SJ307920)
- A551 between St Alban's Rd and Liscard Rd, Wirral (Grid ref SJ307918)
- A551 between Mill Lane and B5145, Wirral (Grid ref SJ317913)