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Location Map ( geo)
Cameraicon.png View gallery (10)
From:  Llanwrda (SN714315)
To:  Aberaeron (SN461630)
Distance:  29.5 miles (47.5 km)
Meets:  A40, B4302, B4343, A485, A475, B4337, B4342, B4339, A487
Former Number(s):  A4115
Old route now:  A40, A475
Highway Authorities

Carmarthenshire • Ceredigion

Traditional Counties

Cardiganshire • Carmarthenshire

Route outline (key)
A482 Llandovery - Llanwrda
A482 Llanwrda - Aberaeron
A482 Lampeter - Newcastle Emlyn


The A482 runs from the edge of the Brecon Beacons to the west coast.

Llanwrda - Aberaeron

The A482 looking southwest in the Aeron Valley

The road starts at a T junction on the A40 (with the A483 multiplexing along it) at Llanwrda and runs north-west alongside the Afon Dulais (River Dulais), crossing it from time to time on narrow bridges that only have space for one vehicle at a time; the standard hazard white lines give way to short broken white lines over them even though there isn't room for two vehicles to pass. The road is single-carriageway along its entire length. There are no settlements of any note until we reach Lampeter, where we cross the River Teifi after passing a left turn onto the A485 towards Carmarthen. In Lampeter town centre you can turn left onto the A475 towards Newcastle Emlyn and on the way out, you can turn right onto the A485 towards Tregaron and Aberystwyth.

If you stay on the A482, you can later turn right onto the B4337 to take a short(ish) cut towards Aberystwyth, or stay on the A482 to follow the Afon Aeron downstream across similar terrain to the first half of the road. This leads to Aberaeron and the terminus of the A482 on the A487.


The original western terminus of the A482 was at Newcastle Emlyn, not Aberaeron. Today's Lampeter to Aberaeron section of the road was originally the B4340, which had been upgraded to become the A4115 by 1927. The current route dates from the 1935 Road numbering revision, which also saw the route from Newcastle Emlyn to Lampeter become the A475 (itself recycled from what's now the A48).

The original eastern terminus was on the A481 in Llandovery, a short distance away from that road's terminus on the A40. This was also altered in 1935, with the A483 taking over both A48x roads in the town, cutting the A482 back to Llanwrda. After World War II the A40 took over the route of the A483 between Llandovery and Llandeilo, taking the original eastern end of the A482 with it.

Related Pictures
View gallery (10)
The A482 between Lampeter and Pont Creuddyn.jpgA482 bridge over the Afon Twrch.jpgWinding section on the A482.jpgThe A482 near Harford.jpgThe A482 looking towards the old Creamery.jpg
Other nearby roads
A400 • A401 • A402 • A403 • A404 • A405 • A406 • A407 • A408 • A409 • A410 • A411 • A412 • A413 • A414 • A415 • A416 • A417 • A418 • A419
A420 • A421 • A422 • A423 • A424 • A425 • A426 • A427 • A428 • A429 • A430 • A431 • A432 • A433 • A434 • A435 • A436 • A437 • A438 • A439
A440 • A441 • A442 • A443 • A444 • A445 • A446 • A447 • A448 • A449 • A450 • A451 • A452 • A453 • A454 • A455 • A456 • A457 • A458 • A459
A460 • A461 • A462 • A463 • A464 • A465 • A466 • A467 • A468 • A469 • A470 • A471 • A472 • A473 • A474 • A475 • A476 • A477 • A478 • A479(W) • A479(E)
A480 • A481 • A482 • A483 • A484 • A485 • A486 • A487 • A488 • A489 • A490 • A491 • A492 • A493 • A494 • A495 • A496 • A497 • A498 • A499
Defunct Itineraries & Motorways: A403 • A404(M) • A405 • A407 • A423(M) • A430 • A437 • A446(M) • A455 • A464 • A475 • A491

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