A465 Llandarcy Interchange

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Route

A465 and A40

Junction number

(M4 J43)

Markerpost

0.0 km

Name

Llandarcy Interchange

Type

Roundabout Interchange

Terminus

Terminus at end of exit list

Other routes

M4, B4290

Authority

Welsh Government

Restricted turns

Full access

Services

No services

Layout and signage

Caerdydd — Cardiff
Port Talbot
Abertawe — Swansea
M4

Sgiwen — Skewen
Llandarcy
Jersey Marine
B4290

Caerfryddin — Carmarthen
M4

Lane configuration

Lanes Lanes Lanes Lanes

Lane 1 continues ahead.
Lane 2 continues ahead.

Other events

National Speed Limit begins

40mph speed limit begins

In this section

Select a route
- M1
- M2
- M3
- M4
- M5
- M6
- M6 Toll
- M8
- M9
- M10
- M11
- M18
- M20
- M23
- M25
- M26
- M27
- M32
- M40
- M42
- M45
- M48
- M49
- M50
- M53
- M54
- M55
- M56
- M57
- M58
- M60
- M61
- M62
- M65
- M66
- M67
- M69
- M73
- M74
- M77
- M80
- M90
- M180
- M181
- M271
- M275
- M602
- M606
- M621
- M876
- M898
- M1 (NI)
- M2 (NI)
- M3 (NI)
- M5 (NI)
- M12 (NI)
- M22 (NI)
- A1
- A2
- A3
- A11
- A12
- A13
- A14
- A15
- A19
- A21
- A23
- A30
- A34
- A38 (Devon)
- A38 (Midlands)
- A40 (Ross-Raglan)
- A40 (Raglan-Abergavenny)
- A41
- A42
- A50
- A55
- A64
- A120
- A168
- A282
- A303
- A406
- A417
- A419
- A421
- A449
- A465
- A470
- A500
- A720
- A1203
- A1261
- A5148
- A5300
- A12 (NI)
- A1(M)
- A3(M)
- A8(M)
- A38(M)
- A48(M)
- A57(M)
- A58(M)
- A64(M)
- A66(M)
- A74(M)
- A167(M)
- A194(M)
- A308(M)
- A329(M)
- A404(M)
- A601(M)
- A627(M)
- A823(M)
- A1077(M)
- A6144(M)
- A8(M) (NI)
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About this page

Published24 July 2025

Last updated26 July 2025

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