Police are appealing for witnesses following a fatal collision on Tuesday (March 22) between a vehicle and pedestrian on the A276, Heathfield.
It happened just before 3.25pm near to the junction with the B2102.
The road was closed for some time while ambulance and fire services attended the scene.
The pedestrian, an 82-year-old man, was pronounced dead at the scene.
Officers would like to hear from anyone who was in the area at the time or has dash cam footage.
If you can help officers with their investigation please email collision.appeal@sussex.police.ukor call 101 quoting Operation Bramble.