Were you travelling along the M27 close to the Cadnam junction yesterday morning at around 11.30am?
Officers from Hampshire police appealing for witnesses following a single vehicle fatal collision at junction 1, so you may be able to help.
A blue Honda Jazz collided with a tree on the eastbound slipway.
The female driver, a 90-year-old from Dorset, was pronounced dead at the scene.
Her next of kin have been informed and are being supported by specialist officers.
Investigations into the exact circumstances of the collision are ongoing and police are keen to speak to anyone who may have seen the blue Honda Jazz in the area prior to the incident.
If you think you might have seen something that could help please call them on 101, quoting 44190379830, or Crimestoppers anonymously on 0800 555 111.