Updates: A1 Lincolnshire closed at A607 after collision involving two lorries and a car

The A1 in Lincolnshire is closed northbound between the B1174 (Little Ponton) and the A607 (Grantham) due to a traffic collision involving a HGV.

Last updated: 11:43 am


Lincolnshire Police | 11:45 am

‘Traffic remains flowing on the southbound carriageway with lane 1 reopened.

‘The northbound carriageway will remain closed until mid afternoon to allow recovery and to repair damage caused to the central reservation.

‘Three vehicles are involved in the collision, a Volvo HGV, an Iveco HGV and a blue Audi Q6.

‘Thankfully no injuries are reported.

‘Please avoid the area where possible and take note of the diversions.’

Screenshot 2026 08 20 at 11.50.16


National Highways | 11:43 am

A1 northbound between A607 (Grantham) and B1174 (Little Ponton).

-All lanes remain closed for recovery and clean up.

-Traffic caught within the closure is now being released from the rear.

-There are delays of up to 45 mins and 6 miles of congestion on approach.


Lincolnshire Police, Lincolnshire Fire & Rescue and National Highways service providers are in attendance.

Diversion Route

Road users are advised to follow the solid square diversion symbol on road signs:

  • Exit the A1 at the B1174 Little Ponton, continue along the B1174 into Grantham to B1174/A52/A607 Bridge End Road/ South Parade junction (Gainsborough Corner), then turn right (east) onto the A52.
  • Continue along the A52 to A52/B6403 roundabout. Turn left (east) and continue along the A52 until the A52/A15 roundabout, then turn left (north) onto the A15 and travel along the A15 through Osbournby village.
  • Continue straight over the A15/A153 Quarrington roundabout to the A17/A15 Holdingham roundabout, and then turn left (west) onto the A17. Continue for 12km until the A17/C208 Coddington roundabout, go straight over and continue along the A17 to A1/A17/A46 roundabout, then go straight over onto the A46 to A46/A1 Brownhills roundabout.
  • Turn right (north) at Brownhills taking the third entry off onto the A1 northbound slip road to re-join the A1.
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