B4251

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B4251
Location Map ( geo)
Cameraicon.png View gallery (5)
From:  Wattsville (ST213914)
To:  Crumlin (ST212985)
Via:  Blackwood
Distance:  11.3 miles (18.2 km)
Meets:  A467, A472, A4048, B4254, A4048, A467
Former Number(s):  A4048, A472
Highway Authorities

Caerphilly

Traditional Counties

Monmouthshire

Route outline (key)
B4251 Wattsville - Blackwood - Crumlin
B4251 Spurs in Pontllanfraith
Sirhowy Enterprise Way, Blackwood

The B4251 is a circuitous B-road in south Wales.

In 1922 it started on the A467 in Cross Keys and headed west then north to end on the A472 in Pontllanfraith. By 1932 all this had been renumbered as an extension of the A4048 but the B4251 had been extended via Oakdale to the then-A4044 in Crumlin.

This situation lasted until the 2000s (although slight reroutings, such as an Oakdale bypass, did take place). Then the opening of the A4048 Blackwood bypass to the east of the town (and along a small section of the 1930s route of the B4251) changed things somewhat.

The B4251 was extended along the pre-bypass A4048 along almost all its original route back to Wattsville and also gained two spurs in Pontllanfraith. One is the pre-bypass A472 leading back to the A4048; the other is all that remains of the road's 1932 route in Pontllanfraith itself.

The present route of the B4251 thus connects the A467 to itself, needing twice the distance to get there!



B4251
JunctionsSkenfrith Junction
Related Pictures
View gallery (5)
B4251 Sirhowy Enterprise Way heading away from Chartist Bridge roundabout, Blackwood - Geograph - 1733737.jpgCyclists to the left, pedestrians to the right, Oakdale - Geograph - 1733966.jpgHigh Street, Blackwood - Geograph - 429605.jpgHigh Street, Blackwood - Geograph - 868021.jpgSteps up from Sirhowy Enterprise Way - Geograph - 1733888.jpg
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