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Location Map ( geo)
Cameraicon.png View gallery (6)
From:  Monmouth (SO509130)
To:  Chepstow (ST531936)
Via:  Trellech, Devauden
Distance:  16.2 miles (26.1 km)
Meets:  A466, B4233, A40, A48
Former Number(s):  A40, A466
Primary Destinations
Highway Authorities


Traditional Counties


Route outline (key)
B4293 Monmouth - Chepstow
B4293 Devauden - St Arvans
This article is about the present B4293 between Monmouth and Chepstow.
For the original B4293 (Oystermouth Road) in Swansea, see B4293 (Swansea)
The B4293 at the Hygga crossroads

The present route of the B4293 was originally unclassified but appears to have gained its number in 1935.

The road starts at traffic lights on the northern edge of Monmouth town centre, where the other three directions are all numbered A466, and follows Priory Street and Monnow Street. This is the pre-bypass route of the A40, which we detour from at the western end of the Monnow Bridge, which is now closed to traffic. After bearing right at a roundabout we cross a new bridge over the Monnow then TOTSO left at traffic lights to rejoin the old A40; right is the B4233.

The road runs alongside the river to a mini-roundabout which forms part of a GSJ with the A40; the road ahead leads to the eastbound slip roads whilst the B4293 turns right. It runs over the eastern portals of the Gibraltar Tunnel, then the A40 westbound offslip joins us before there's a long right-hand bend and a crossing of the River Trothy. The B4293 then TOTSOs left, at its original northern end. The now unclassified pre-bypass A40 continues ahead through Mitchel Troy and then reaches the westbound onslip for the GSJ.

The road climbs as it heads south along a similar route, albeit a short distance to the west, of the Wye Valley and A466. The first place of any size reached is Trellech where there's a sharp left then right zigzag around the churchyard then a further right-hand bend to leave the village. We continue on across the fields and skirt Llanishen before following a straight but undulating route into Devauden. In the village centre the road TOTSOs right but originally continued straight ahead along the direct route to end on the A466 at St Arvans.

Now on its 1970s route the B4293 runs through Chepstow Park Wood before bearing left in Itton Common and then crossing the fields to return to the A466 on the western edge of Chepstow. We now follow that road's original route into town along Welsh Street before reaching traffic lights on the High Street. That road used to be the A48 but now we TOTSO right then bear left to end at a T-junction on that road's present route.

Related Pictures
View gallery (6)
Chepstow-1953.jpgB4293 at the Hygga crossroads - Geograph - 299344.jpgZigzag in the B4293 above Mitchel Troy - Geograph - 300285.jpgAutumn colours on the B4293 - Geograph - 1040614.jpgB4293 at Cobbler's Plain - Geograph - 299881.jpg
Other nearby roads
B4200 – B4299
B4200 • B4201 • B4202 • B4203 • B4204 • B4205 • B4206 • B4207 • B4208 • B4209 • B4210 • B4211 • B4212 • B4213 • B4214 • B4215 • B4216 • B4217 • B4218 • B4219
B4220 • B4221 • B4222 • B4223 • B4224 • B4225 • B4226 • B4227 • B4228 • B4229 • B4230 • B4231 • B4232 • B4233 • B4234 • B4235 • B4236 • B4237 • B4238 • B4239
B4240 • B4241 • B4242 • B4243 • B4244 • B4245 • B4246 • B4247 • B4248 • B4249 • B4250 • B4251 • B4252 • B4253 • B4254 • B4255 • B4256 • B4257 • B4258 • B4259
B4260 • B4261 • B4262 • B4263 • B4264 • B4265 • B4266 • B4267 • B4268 • B4269 • B4270 • B4271 • B4272 • B4273 • B4274 • B4275 • B4276 • B4277 • B4278 • B4279
B4280 • B4281 • B4282 • B4283 • B4284 • B4285 • B4286 • B4287 • B4288 • B4289 • B4290 • B4291 • B4292 • B4293 • B4294 • B4295 • B4296 • B4297 • B4298 • B4299
Earlier iterationsB4200 • B4207 • B4210 • B4217 • B4218 • B4223 • B4226 • B4230 • B4232 • B4234 • B4237 • B4239 • B4242 • B4245 • B4247 • B4253
B4258 • B4260 • B4261 • B4264 • B4267 • B4269 • B4271 • B4279 • B4282 • B4284 • B4285(N) • B4285(S) • B4288 • B4289 • B4293 • B4294 • B4297 • B4298 • B4299

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