- A5153 between A55/A5153 junction and A5/A5153 junction, Isle of Anglesey (Grid ref SH253813)
- A5 between aluminium works entrance and A5154/A55, Isle of Anglesey (Grid ref SH253817)
- A55 between A55/A5153 junction and Roundabout with A55/A5154, Isle of Anglesey (Grid ref SH249816)
- A5 between A5/A5153 junction and A55/London Road junction near Black Bridge, Isle of Anglesey (Grid ref SH251817)
- A55 between B4545 Kingsland Rd and A5154, Isle of Anglesey (Grid ref SH247819)
- A5154 between A55 and Prince of Wales Rd, Isle of Anglesey (Grid ref SH246824)
- A5 between Junction between A5025/A5 and A5/A5153 junction, Isle of Anglesey (Grid ref SH271808)
- C, Near Penrhosfeilw, Isle of Anglesey (Grid ref SH230803)
- A5 between A5025/B4545 and aluminium work entrance, Isle of Anglesey (Grid ref SH281800)
- A5 between HOLYHEAD and A5025, Isle of Anglesey (Grid ref SH282800)
- A55 between A5 and B4545 Kingsland Rd, Isle of Anglesey (Grid ref SH286791)
- A5 between A5025 and A55, Isle of Anglesey (Grid ref SH300789)
- A5 between A5025 and A55, Isle of Anglesey (Grid ref SH300789)
- A5025 between A5/B4545 and High St, Cemaes, Isle of Anglesey (Grid ref SH304800)
- A55 between A5 and A5, Isle of Anglesey (Grid ref SH310789)
- A5 between A55 and A55, Isle of Anglesey (Grid ref SH317784)
- U, Adam's Close, Isle of Anglesey (Grid ref SH320731)
- A4080 between A4080 merge and A4080 split, Isle of Anglesey (Grid ref SH320730)