Original sentence: Trefriw lies on the edge of Snowdonia, on the B5106 to the north-west of Llanrwst, and about 4½ miles north of Betws-y-coed by road
Edited sentence: Trefriw lies on the edge of Snowdonia, on the B5106 road to the north-west of Llanrwst, and about 4½ miles north of Betws-y-coed by road