Police officers, firefighters and paramedics were called to Lottbridge Drove.
An AA Traffic News report read: “Road closed and slow traffic due to crash on A2290 Lottbridge Drove westbound from A259 Seaside (Seaside Roundabout) to A2280 Cross Levels Way (Lottbridge Roundabout).”
Sussex Police confirmed it was a three-vehicle minor injury collision.
The road has since reopened to traffic.