The cause of the major fire which closed part of the A64 near York is believed to be accidental.
Six fire crews tackled the blaze, close to the Hopgrove roundabout, from 4.30pm on Wednesday (December 13).
It involved an industrial unit which was about 30m by 10m in size.
By 5.45pm it was under control, and completely out by 8pm, a North Yorkshire Fire & Rescue Service spokeswoman said.
Firefighters revisited the site of the fire on Thursday (December 14).
They say that the two workshops inside the building have suffered severe fire, heat and smoke damage.
From December 13, 2017 5.18 pm
Updated: Major fire near York – A64 closed
A large fire on the outskirts of York is causing traffic problems this evening.
North Yorkshire Fire & Rescue Service were called to the blaze, in a business premises on the A64 near the Hopgrove roundabout, at about 4.30pm on Wednesday (December 13).
Police are also in attendance. It is opposite the Highwayman Cafe.
Flames and a large plume of smoke can be seen emerging from the industrial building.
The fire service say that it is a large blaze, but there is no immediate threat to life.
Fire crews from York, Huntington, Acomb, Malton, Tadcaster, Malton and Harrogate are tackling the blaze.
They are using six fire appliances, one aerial ladder platform and one water bowser.
The fire service tweeted: “Crews may be there for some time.”
Motorists are being asked to avoid the area.
Police confirmed at 5.17pm that the A64 is closed near to the Highwayman Cafe. The outbound lane on Hull Road near the university roundabout is also closed.
The area is aready congested.
— North Yorkshire Police (@NYorksPolice) December 13, 2017
Our Control Room is currently very busy dealing with two substantial sized fires just outside of #Selby and #York. Please avoid A64 Stockton on Forest approaching or leaving York if you can. Incident updates to follow shortly.
— North Yorkshire Fire (@NorthYorksFire) December 13, 2017