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B4393

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B4393
Location Map ( geo)
Cameraicon.png View gallery (6)
From:  Llanwddyn (SJ016191)
To:  Ford (SJ407131)
Via:  Circuit of Lake Vyrnwy, Llanfyllin, Llandrinio
Distance:  40.1 miles (64.5 km)
Meets:  Unclassified, B4396, B4395, B4382, B4391, A490, A495, B4398, A483, A458
Former Number(s):  B4399, B4395
Highway Authorities

Powys • Shropshire

Traditional Counties

Montgomeryshire • Shropshire

Route outline (key)
B4393 Llanwydyn – Pont Felin Newydd
(A490) Pont Felin Newydd – Stonehouse
B4393 Stonehouse – Llansanffraid-ym-Mechain
(A495) Llansanffraid-ym-Mechain
B4393 Llansanffraid-ym-Mechain – Ford
B4393 branch : Rhos – Penthryn-fawr

The B4393 is a lengthy 'B' class road on the border of Wales and England.


Route

Lake Vyrnwy perimeter road

It starts on an unclassified road on the western side of the dam of Lake Vyrnwy. Theoretically the road heads east of here; however, the road across the dam itself is unclassified and so the B4393 does a full circuit of the lake (over 10 miles) to reach Llanwddan on the other side of the dam - a net distance of a couple of hundred yards.

The road then heads east in earnest. It meets the B4396 in Abertridwr before climbing via a hairpin bend up into the hills. It quickly reaches a summit of about 1100 feet before descending slowly. It reaches a T-junction at Mynydd-brith and TOTSOs left (the road to the right is the B4395) and then continues to Pont Ysgadan where the B4382 joins. The road now follows the valley of the Nant Alan downstream for a couple of miles to another T-junction.

Three roads, all with different numbers, meet here. Left is the B4391 and right is the A490. The B4393 multiplexes along the A-road for a couple of miles through Llanfyllin along the Cain Valley before regaining its number at Stonehouse by turning left. It continues down the valley via Llanfechain to Llansanffraid-ym-Mechain where it reaches the A495 and forms another multiplex east through the village along the A-road.

After regaining its number once more the B4393 crosses the River Vyrnwy (which it last met at Lake Vyrnwy; the river has taken a longer, more winding course to get here) at a narrow bridge before skirting the edge of the valley. It follows, then crosses, the Montgomery Canal to reach a roundabout on the A483. Shortly afterwards, in the village of Four Crosses, it TOTSOs right at a T-junction and continues on to Rhos, where the road splits at another T-junction. Turn right for a spur back to the A483 but the mainline is to the left.

The B4393 goes through Llandrinio before crossing the River Severn a couple of miles before we enter England at Alberbury. The road ends soon afterwards at a T-junction on the A458 to the west of Ford and not that far away from Shrewsbury.

History

Originally the B4393 only went west from Ford to the then-B4399 in Llansanffraid-ym-Mechain. It was extended west to Lake Vyrnwy in 1935, taking over all of that road together with some of the B4395 and a sizeable unclassified section. The spur to the A483 also dates to this time.



B4393
Crossings
Roads
Related Pictures
View gallery (6)
Location of these petrol pumps!! - Coppermine - 11487.jpgB4393 entering Llandrinio - Geograph - 1316827.jpgRiver Severn,Llandrinio road bridge - Geograph - 937989.jpgThe road to Wales - Geograph - 793018.jpgLakeside road - Geograph - 2121196.jpg
B4300 – B4399
B4300 • B4301 • B4302 • B4303 • B4304 • B4305 • B4306 • B4307 • B4308 • B4309 • B4310 • B4311 • B4312 • B4313 • B4314 • B4315 • B4316 • B4317 • B4318 • B4319
B4320 • B4321 • B4322 • B4323 • B4324 • B4325 • B4326 • B4327 • B4328 • B4329 • B4330 • B4331 • B4332 • B4333 • B4334 • B4335 • B4336 • B4337 • B4338 • B4339
B4340 • B4341 • B4342 • B4343 • B4344 • B4345 • B4346 • B4347 • B4348 • B4349 • B4350 • B4351 • B4352 • B4353 • B4354 • B4355 • B4356 • B4357 • B4358 • B4359
B4360 • B4361 • B4362 • B4363 • B4364 • B4365 • B4366 • B4367 • B4368 • B4369 • B4370 • B4371 • B4372 • B4373 • B4374 • B4375 • B4376 • B4377 • B4378 • B4379
B4380 • B4381 • B4382 • B4383 • B4384 • B4385 • B4386 • B4387 • B4388 • B4389 • B4390 • B4391 • B4392 • B4393 • B4394 • B4395 • B4396 • B4397 • B4398 • B4399
Earlier iterationsB4300 • B4301 • B4302 • B4306 • B4313 • B4317 • B4319 • B4321 • B4328 • B4330 • B4331 • B4339
B4340 • B4341 • B4344(W) • B4344(E) • B4352 • B4353 • B4354 • B4356 • B4359 • B4366 • B4372 • B4381 • B4382 • B4390 • B4394 • B4399