The male pedestrian (aged in his 50s) was pronounced dead at the scene. His body has been removed from the scene to Cork University Hospital where a post-mortem will take place.
No other injuries were reported as a result of this incident.
The N25 between Ballyedekin and Castlemartyr village (east of Midleton) is currently closed to allow for Gardaí to conduct a technical examination of the scene. Local diversions are in place.
Gardaí in Midleton are appealing to anyone who may have witnessed this incident to contact them.
Any road users who may have camera footage (including dash-cam) and were travelling on the N25 in the area of Loughaderra this morning, 3rd August 2023, between 3.45am and 4.15am is asked to make this footage available to Gardaí.