- A499 between B4354 Y Ffor and B4417 Llanaelhaearn, Gwynedd (Grid ref SH395400)
- A497 between A499, Pwllheli and B4411, Criccieth, Gwynedd (Grid ref SH400365)
- A499 between A497 Pwllheli and B4354 Y Ffor, Gwynedd (Grid ref SH383360)
- A497 between A499 and A499, Gwynedd (Grid ref SH370350)
- B4354, Near Chwilog, Gwynedd (Grid ref SH447379)
- U, Glan-y-wern, Gwynedd (Grid ref SH457397)
- A499 between B4413, Llanbedrog and A497, Gwynedd (Grid ref SH350342)
- U, Between Pont-y-Gain & Blaen-Lliw (by Moel-y-Feidiog forest), Gwynedd (Grid ref SH437467)