Original sentence: Their remains can also easily be seen from the unclassified road which runs from Gwydir Castle (on the B5106) via Nant Bwlch-yr-haearn to the Ugly House on the A5
Edited sentence: Their remains can also easily be seen from the unclassified road which runs from Gwydir Castle (on the B5106 road) via Nant Bwlch-yr-haearn to the Ugly House on the A5