The M6 southbound is closed between J32 (Preston) to J31A (Ribbleton) due to a lorry fire.
Lancashire Fire and Rescue Service remain on the scene to extinguish the fire.
Lane 4 has been re-opened to release traffic caught up in the closure. The road remains closed for all other vehicles at this time.
Read more: Brockholes Brow diversion routes confirmed ahead of seven-week closure
The M55 eastbound between J1 and the M6 is also closed.
There are currently delays of 40 minutes on the M55 eastbound between J3 and J1 and 30 minute delays on the M6 southbound between J33 and J32.
Traffic is being diverted via local roads.
A spokesperson for National Highways said: “If this closure impacts on your planned route, please allow extra journey time. Plan ahead, you may wish to re-route or even delay your journey.”
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