The A27 was briefly closed this morning after a car drove into a hedge.
The incident happened at about 4.10am on the Polegate bypass near Wilmington.
Police and fire crews were called to the scene and a female driver was taken to hospital with minor injuries.
Police confirmed she failed a breathalyser test at the scene and was arrested for drink-driving.
She is now in custody.
See the latest news headlines from The Argus:
- Sunshine capital in top 10 for bargain breaks
- Bearded men urged to come clean for charity
- Twitchers prepare for three days’ birdwatching
- Wishing well raises £900 for two charities
- All hail the return of the Palace to our Pier's name