Queueing traffic and one lane closed due to broken down vehicle on M4 Westbound before Heston Services, congestion to J2 A4 (Brentford). Queues back up onto the elevated section.
More top news
Wednesday's weather for the east of the region
Wednesday's weather for the west of the region
Dorset's Weymouth Beach has been named the UK's best by travellers, with Fistral Bay, Cornwall, coming in second place.