Delays of up to 30 minutes are being reported on the A1M near Selby after a vehicle fire this morning.
One lane of the northbound carriageway and the hardshoulder were closed between junctions 42 and 43 while emergency services put out the van fire.
Highways England said recovery work was under way and would be completed around 9.45am.
It said all lanes had now reopened but traffic was queuing back to junction 41, with delays of around 30 minutes being experienced.
Conditions are expected to return to normal between 10.15am and 10.30am.