Drivers faced delays on the A43 following a crash just before 8am today (Thursday).
Police, fire and ambulance as well as Northamptonshire Highways were called to the collision which took place between the Holcot and Sywell turns.
A Mini and a Vauxhall Tigra were involved.
A spokesman for Northants Police said: “Someone has been taken to Northampton General Hospital with a minor neck injury.”
The crash led to queues in both directions as traffic was down to one lane while emergency services attended to those involved.