Lorry carrying 24-tonne digger crashes on A34 near Didcot
The vehicle left the northbound carriageway between junction 13 of the M4 near Chieveley and the A4185 near Chilton at about 4.45pm.
The road was closed overnight while the vehicle was recovered. It reopened this morning, but a lane closure remains in place to for barrier repairs and recovery work, National Highways said.
The incident has caused four miles of congestion and 25 minute delays on the A34 northbound this morning.
The lane is likely to remain closed throughout the day, and National Highways East urged drivers to allow extra journey time.