Emergency services were called to a road traffic collision on the A27 eastbound at Selmeston, between Lewes and Polegate, involving a coach and a mobile crane.
It happened at 4.10pm today (Monday 1 September).
Police said the road was closed and diversions set up, but these were cleared within the hour.
The coach was full of passengers aged 50-plus, who were temporarily accommodated at the nearby Barley Mow public house.
There were no serious injuries.