Police say a 20-year-old man has been arrested on suspicion of causing death by dangerous driving following a fatal collision in Dartmouth.
Officers say the man, who is from Dartmouth, is currently in custody.
27-year-old Jamie Symons received injuries that proved to be fatal in the incident on Wednesday. His next of kin were informed.
Police say emergency services were called just before 12.40am to a collision between a pedestrian and a vehicle on the A379 College Way between Coronation Park and Townstal Road in Dartmouth.
The Major Crime Investigation Team are part of the investigation.
Officers are urging anyone with information to contact police by calling 101 or Crimestoppers on 0800 555 111.