UPDATE: 7:30pm- The road has now reopened but police warn congestion may take some time to clear.
The A46 Lincoln bypass is blocked in both directions following a three-vehicle crash.
The road is blocked in the southbound direction at Riseholme roundabout and northbound at Carholme roundabout
Traffic is building around the Riseholme roundabout junction with the A46 and A15.
Delays are being caused at the Carholme roundabout with Police re-directing northbound traffic.
Police are currently unable to give a timescale on how long it will take the incident to clear.
Emergency services are on the scene treating minor injuries.