- A40 between A449 and B4233, Monmouthshire (Grid ref SO500111)
- A40 between Monmouthshire boundary and Pentre Rd, Abergavenny, Monmouthshire (Grid ref SO250163)
- A40 between A466 and Monmouthshire boundary, Monmouthshire (Grid ref SO526150)
- A40 between B4293 and A466, Monmouthshire (Grid ref SO510126)
- A40 between A4143 and Gobanniun Way, Monmouthshire (Grid ref SO297145)
- A40 between A465 and A449, Monmouthshire (Grid ref SO400085)
- A40 between A466 Wyebridge St and A466 Dixton Rd roundabout, Monmouthshire (Grid ref SO512130)
- A40 between Pentre Rd and A4143, Monmouthshire (Grid ref SO290145)
- A40 between Gobanniun Way and A465, Monmouthshire (Grid ref SO304130)
- A4042 between A472 and A465/A40 intersection, Monmouthshire (Grid ref SO305100)
- A4077 between A465 and A4077 Main Rd/Crickhowell Rd, Monmouthshire (Grid ref SO250146)
- A4077 between A465 and A4077 split, Monmouthshire (Grid ref SO246145)
- A4077 between A4077 Split and Monmouthshire boundary, Monmouthshire (Grid ref SO244150)
- A4136 between A466 and Monmouthshire boundary, Monmouthshire (Grid ref SO520130)
- A4143 between A465(T) and A40, Monmouthshire (Grid ref SO291141)
- A449 between Monmouthshire boundary and A472, Monmouthshire (Grid ref SO393000)
- A449 between A472 and A40, Monmouthshire (Grid ref SO400013)
- A465 between A4143 Merthyr Road and A4042/A40, Monmouthshire (Grid ref SO300130)
- A465 between C-road to Triley Mill and C-road Penbidwal towards Great Campston, Monmouthshire (Grid ref SO322200)
- A465 between C-road Penbidwal towards Great Campston and Monmouthshire boundary, Monmouthshire (Grid ref SO350236)
- A465 between A40/A4042 intersection and C-road to Triley Mill, Monmouthshire (Grid ref SO310150)
- A465 between A4077 Main Rd and A4077 Abergavenny Rd, Monmouthshire (Grid ref SO250144)
- A465 between Monmouthshire boundary and A4077, Monmouthshire (Grid ref SO230135)
- A465 between A4047 and A4143, Monmouthshire (Grid ref SO260143)
- A466 between A4136 and Monmouthshire boundary, Monmouthshire (Grid ref SO520118)
- A466 between B4293 and A48, Monmouthshire (Grid ref ST524940)
- A466 between Monmouthshire boundary and A466 Dixton Rd/Monk St, Monmouthshire (Grid ref SO508150)
- A466 between B4293 and Monmouthshire boundary, Monmouthshire (Grid ref SO532000)
- A466 between A 48T and M48 JCT 2, Monmouthshire (Grid ref ST532920)
- A466 between A466 split and A40, Monmouthshire (Grid ref SO510129)
- A466 between A466 North Parade/Monk St and A40, Monmouthshire (Grid ref SO512132)
- A466 between A40 and A4136, Monmouthshire (Grid ref SO512127)
- A466 between A 48T and M48 Junction 2, Monmouthshire (Grid ref ST532920)
- A472 between B4598 and A449, Monmouthshire (Grid ref SO390010)
- A472 between A4042 and B4598, Monmouthshire (Grid ref SO350027)
- A48 between A466 and England, Monmouthshire (Grid ref ST530934)
- A48 between Monmouthshire boundary and A466, Monmouthshire (Grid ref ST498903)
- A4810 between LA boundary and M4, Monmouthshire (Grid ref ST417873)
- B4235, Chepstow Road, Monmouthshire (Grid ref SO418015)
- B4246, Merthyr Road, Monmouthshire (Grid ref SO292133)
- B4293, Near Longstone Fm, Monmouthshire (Grid ref SO507109)
- B4293, Monmouth Road, Monmouthshire (Grid ref SO501071)
- B4293, Itton Road, Monmouthshire (Grid ref ST511948)
- B4521, Old Ross Road, Monmouthshire (Grid ref SO326162)
- B4598, Monmouthshire (Grid ref SO314113)
- C, Star Road, Monmouthshire (Grid ref SO335052)
- C, Llanvihangel Crucorney, Monmouthshire (Grid ref SO325209)
- C, Cross Elm Penrhos Raglan, Monmouthshire (Grid ref SO412132)
- C, Monmouthshire (Grid ref SO513073)
- C, Pentre Lane, Monmouthshire (Grid ref SO281159)
- C, Station Road, Monmouthshire (Grid ref SO266137)
- M4 between Monmouthshire boundary and J23A, Monmouthshire (Grid ref ST417880)
- M4 between J23 and Monmouthshire boundary, Monmouthshire (Grid ref ST480872)
- M4 between J23A and J23, Monmouthshire (Grid ref ST431878)
- M48 between J2 and Monmouthshire boundary, Monmouthshire (Grid ref ST540914)
- M48 between M4 (23) and J2, Monmouthshire (Grid ref ST500911)
- U, N/a, Monmouthshire (Grid ref ST389965)
- U, near The Bourne Mitchell Troy Monmouth, Monmouthshire (Grid ref SO463096)
- U, N/a, Monmouthshire (Grid ref SO369098)
- U, Dancing Hill, Monmouthshire (Grid ref ST427874)
- U, Sandy Lane, Monmouthshire (Grid ref ST483882)
- U, Thornwell Road, Monmouthshire (Grid ref ST536923)
- U, Mathern Chepstow, Monmouthshire (Grid ref ST521913)
- U, Grosmont, Monmouthshire (Grid ref SO402239)
- U, St Anne's Crescent, Monmouthshire (Grid ref ST438872)
- U, Bulwark Chepstow, Monmouthshire (Grid ref ST537916)
- U, Gwent Road, Monmouthshire (Grid ref SO305158)
- U, Quarry Rise, Monmouthshire (Grid ref ST429875)