The accident happened on the westbound carriageway between junction 7 for Hedge End and junction 5.
Romanse are warning that there are ‘heavy delays building on approach' with disruption of 40 minutes being reported currently.
They tweeted: ‘#M27 Westbound - Two lanes BLOCKED between J7/A334 #HedgeEnd Interchange and J5/A335 #Stoneham Interchange #Eastleigh due to RTI.
‘Heavy delays building on approach.’
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