We’re appealing for witnesses following a collision between two cars on the A30 London Road at Milborne Port.
The incident happened at about 1.35pm on Sunday, 8 December.
A blue Mercedes CLK320 travelling towards Dorset collided with a blue Renault Captur driving towards Milborne Port.
The driver of the Mercedes, a man in his 20s, was taken to Yeovil District Hospital with minor injuries.
The driver of the Renault, a woman in her 60s, was airlifted to Southampton General Hospital with a serious leg injury, where she remains.
Anyone who witnessed the collision is asked to call 101 and provide the call handler with the reference 5219283394.