Traffic Saint Mellons

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Saint Mellons
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Nearby: CardiffCaerphillyNewportCaerleonBarryCwmbran

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FULL SCREEN UPDATED: 12:36

Current traffic around Saint Mellons

The following traffic incidents and congestion for Saint Mellons have been reported by Highways England, Traffic Scotland, Traffic Wales or Transport for London (TfL) in the last two hours:

SOUTHBOUND

Description: A470Now clearSouthboundNantgarw to Coryton, Start time: 18/06/2026 11:00 , Expected end time: 18/06/2026 9:56, Severity: Moderate, Source: Welsh Government, Last updated: 18/06/2026 11:00
Nearest town: 6.51 miles from Saint Mellons. CLEARED @ 11:06

J30 CARDIFF GATE

Description: M4EastboundJ30 (Cardiff) Cardiff GateCongestionoffslipDelay: s possible :, Start time: 18/06/2026 8:23 , Expected end time: 18/06/2026 11:23, Severity: Moderate, Source: Welsh Government, Last updated: 18/06/2026 8:23
Nearest town: 1.77 miles from Saint Mellons. CLEARED @ 08:30

A48 INTERCHANGE TO M4 J33 CAPEL LLANILLTERN

Description: A4232NorthboundA48 Interchange to M4 J33 Capel LlanillternCongestionDelay: s possible :, Start time: 18/06/2026 7:38 , Expected end time: 18/06/2026 11:38, Severity: Moderate, Source: Welsh Government, Last updated: 18/06/2026 7:38
Nearest town: 7.63 miles from Saint Mellons. CLEARED @ 07:54

J32 CORYTON

Description: M4EastboundJ32 (Cardiff) CorytonoffslipCongestionDelay: s possible :, Start time: 18/06/2026 7:39 , Expected end time: 18/06/2026 9:09, Severity: Moderate, Source: Welsh Government, Last updated: 18/06/2026 7:39
Nearest town: 5.57 miles from Saint Mellons. CLEARED @ 07:54

NANTGARW

Description: A470NorthboundNantgarwCongestionoffslipDelay: s possible :, Start time: 18/06/2026 7:46 , Expected end time: 18/06/2026 9:16, Severity: Moderate, Source: Welsh Government, Last updated: 18/06/2026 7:46
Nearest town: 7.3 miles from Saint Mellons. CLEARED @ 07:54

NANTGARW TO CORYTON

Description: A470SouthboundNantgarw to CorytonCongestionDelay: s possible :, Start time: 18/06/2026 7:03 , Expected end time: 18/06/2026 9:03, Severity: Moderate, Source: Welsh Government, Last updated: 18/06/2026 7:03
Nearest town: 6.51 miles from Saint Mellons. CLEARED @ 07:18

There are no current incidents in this location.

Roadworks

Traffic in Nearby Villages

Trowbridge (0.32mi)
Llanrumney (0.43mi)
St Mellons (0.47mi)
Rumney (1.3mi)
Newton (1.48mi)
Pwll Mawr (1.5mi)
Rhymney (1.59mi)
Llanedeyrn (1.63mi)
Pentwyn (1.67mi)
Began (1.69mi)
Marshfield (1.8mi)
Peterstone Wentlooge (2.11mi)
Blacktown (2.14mi)
Castleton (2.22mi)
Michaelston y Fedw (2.43mi)
Tremorfa (2.63mi)
Pen y lan (2.67mi)
Cyncoed (2.87mi)
Roath Park (2.98mi)
Roath (3.05mi)
Coedkernew (3.18mi)
Clearwell (3.25mi)
Pen y lan (3.25mi)
Lisvane (3.3mi)
Llanishen (3.5mi)
Splott (3.51mi)
Cathays (3.53mi)
Heath (3.58mi)
East Moors (3.69mi)
Maindy (3.77mi)
Cardiff (Caerdydd) (3.93mi)
Caerdydd (Cardiff) (3.93mi)

Saint Mellons

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Elsewhere on the web:

National Highways England

Official source of traffic updates.

Transport for London (TFL)

Transport for London's (TfL) portal for transportation in London.

Traffic Wales

The Welsh government's traffic information service for Wales.

Traffic Scotland

Live traffic conditions and news for Scotland's road network.

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Description: A470 : Now clear : Southbound : Nantgarw to Coryton, Start time: 18/06/2026 11:00 , Expected end time: 18/06/2026 9:56, Severity: Moderate, Source: Welsh Government, Last updated: 18/06/2026 11:00
Nearest town: 6.51 miles from Saint Mellons.

51.54--3.26

Description: M4 : Eastbound : J30 (Cardiff) Cardiff Gate : Congestion : offslip : Delays possible :, Start time: 18/06/2026 8:23 , Expected end time: 18/06/2026 11:23, Severity: Moderate, Source: Welsh Government, Last updated: 18/06/2026 8:23
Nearest town: 1.77 miles from Saint Mellons.

51.54--3.13

Description: A4232 : Northbound : A48 Interchange to M4 J33 Capel Llanilltern : Congestion : Delays possible :, Start time: 18/06/2026 7:38 , Expected end time: 18/06/2026 11:38, Severity: Moderate, Source: Welsh Government, Last updated: 18/06/2026 7:38
Nearest town: 7.63 miles from Saint Mellons.

51.49--3.29

Description: M4 : Eastbound : J32 (Cardiff) Coryton : offslip : Congestion : Delays possible :, Start time: 18/06/2026 7:39 , Expected end time: 18/06/2026 9:09, Severity: Moderate, Source: Welsh Government, Last updated: 18/06/2026 7:39
Nearest town: 5.57 miles from Saint Mellons.

51.53--3.25

Description: A470 : Northbound : Nantgarw : Congestion : offslip : Delays possible :, Start time: 18/06/2026 7:46 , Expected end time: 18/06/2026 9:16, Severity: Moderate, Source: Welsh Government, Last updated: 18/06/2026 7:46
Nearest town: 7.3 miles from Saint Mellons.

51.56--3.27

Description: A470 : Southbound : Nantgarw to Coryton : Congestion : Delays possible :, Start time: 18/06/2026 7:03 , Expected end time: 18/06/2026 9:03, Severity: Moderate, Source: Welsh Government, Last updated: 18/06/2026 7:03
Nearest town: 6.51 miles from Saint Mellons.

51.54--3.26

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