The A34 in Hampshire is currently closed southbound between the A303 Bullington and the M3 near Winchester due to a lorry fire.
The fire has been extinguished and fire crews have left the scene.
The road remains closed to allow recovery and to assess the carriageway.
A diversion is in place and drivers should follow the solid triangle symbol.
Motorists should use the A303 east for approximately six miles and join the M3 at junction 8, travel eastbound to junction 7 and go around the roundabout using the fourth exit to re-join the M3 southbound.
Continue along the M3 south to junction 9 for Winchester to complete the diversion.
Drivers are advised to allow extra time for their journey and use alternative routes if possible.