The following traffic incidents and congestion for Heronston have been reported by Highways England, Traffic Scotland, Traffic Wales or Transport for London (TfL) in the last two hours:
SOUTHBOUNDDescription: A4232Now clearSouthboundM4 J33 Capel Llanilltern to A48 Interchange, Start time: 20/03/2025 8:20 , Expected end time: 20/03/2025 8:25, Severity: Moderate, Source: Welsh Government, Last updated: 20/03/2025 8:20
Nearest town: 12.17 miles from Heronston.
CLEARED @ 09:42 NORTHBOUNDDescription: A470Now clearNorthboundNantgarw, Start time: 20/03/2025 8:20 , Expected end time: 20/03/2025 8:25, Severity: Moderate, Source: Welsh Government, Last updated: 20/03/2025 8:20
Nearest town: 13.87 miles from Heronston.
CLEARED @ 09:42 A48 INTERCHANGE TO M4 J33 CAPEL LLANILLTERNDescription: A4232NorthboundA48 Interchange to M4 J33 Capel LlanillternCongestion
Delay: s possible :, Start time: 20/03/2025 8:20 , Expected end time: 20/03/2025 9:50, Severity: Moderate, Source: Welsh Government, Last updated: 20/03/2025 8:20
Nearest town: 12.17 miles from Heronston.
CLEARED @ 08:30 NANTGARWDescription: A470NorthboundNantgarwCongestionoffslip
Delay: s possible :, Start time: 20/03/2025 7:33 , Expected end time: 20/03/2025 9:33, Severity: Moderate, Source: Welsh Government, Last updated: 20/03/2025 7:33
Nearest town: 13.87 miles from Heronston.
CLEARED @ 07:43 M4 J33 CAPEL LLANILLTERN TO A48 INTERCHANGEDescription: A4232SouthboundM4 J33 Capel Llanilltern to A48 InterchangeCongestion
Delay: s possible :, Start time: 20/03/2025 7:33 , Expected end time: 20/03/2025 9:33, Severity: Moderate, Source: Welsh Government, Last updated: 20/03/2025 7:33
Nearest town: 12.17 miles from Heronston.
CLEARED @ 07:42 J33 CAPEL LLANILLTERNDescription: M4EastboundJ33 (Cardiff) Capel LlanillternCongestionoffslip
Delay: s possible :, Start time: 20/03/2025 7:35 , Expected end time: 20/03/2025 9:35, Severity: Moderate, Source: Welsh Government, Last updated: 20/03/2025 7:35
Nearest town: 11.36 miles from Heronston.
CLEARED @ 07:42 NANTGARW TO CORYTONDescription: A470SouthboundNantgarw to CorytonCongestion
Delay: s possible :, Start time: 20/03/2025 6:55 , Expected end time: 20/03/2025 8:55, Severity: Moderate, Source: Welsh Government, Last updated: 20/03/2025 6:55
Nearest town: 13.78 miles from Heronston.
CLEARED @ 07:30 GLYNNEATHDescription: A465Both directionsGlynneathCarriageway maintenanceRoad closedDiversions in place :, Start time: 24/03/2025 20:00 , End Date: 05/06/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 20/03/2025 10:04
Nearest town: 17.73 miles from Heronston.
CLEARED @ 10:06 J36 SARN TO J37 PYLEDescription: M4WestboundJ36 (Bridgend) Sarn to J37 (Porthcawl) PyleResurfacing workRoad closedDiversions in place19/03/25-21/03/25 2000-0600 :, Start time: 19/03/2025 20:00 , End Date: 21/03/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 19/03/2025 20:00
Nearest town: 3.61 miles from Heronston.
CLEARED @ 08:54 J45 YNYSFORGANDescription: M4Both directionsJ45 (Swansea) YnysforganResurfacing workEntry slip road closedExit slip road closedDiversions in place18/03/25-26/03/25 2000-0600 :, Start time: 18/03/2025 20:00 , End Date: 26/03/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 18/03/2025 20:00
Nearest town: 19.7 miles from Heronston.
CLEARED @ 08:54 J38 MARGAMDescription: M4EastboundJ38 (Port Talbot) MargamResurfacing workEntry slip road closedDiversions in place21/03/25-22/03/25 2000-0600 :, Start time: 21/03/2025 20:00 , End Date: 22/03/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 15/03/2025 8:21
Nearest town: 8.8 miles from Heronston.
CLEARED @ 08:42 UPPER BOATDescription: A470WestboundUpper BoatCarriageway maintenanceRoad closedDiversions in place03/03/25-05/04/25 2000-0600 :, Start time: 03/03/2025 20:00 , End Date: 05/04/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 15/03/2025 7:53
Nearest town: 13.52 miles from Heronston.
CLEARED @ 08:18