M4 traffic LIVE: Heathrow tunnel closure sparks huge delays and nightmare for travellers

Heathrow Tunnel was closed in both directions on Friday morning due to a collision - prompting traffic woes for many. Huge delays were expected for drivers heading to the major airport's terminals 2 and 3 on the M4 Heathrow Spur.

Delays were also experienced when heading on the A4 Bath Road. Eight bus routes are on diversion.

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