A 66-year-old pedestrian was killed in a hit-and-run on Nimitz Highway Wednesday night.

The collision occurred at about 9:35 p.m. in the two-lane portion of the highway before the westbound lanes merge with Kamehameha Highway.

Honolulu police said a vehicle was traveling westbound on the highway when it struck the pedestrian who may have been crossing or walking in the roadway.

The vehicle fled the scene without rendering aid to the man.

The pedestrian was taken in critical condition to a hospital where he later died.

Police said it’s unknown whether speed, alcohol or drugs were factors in the collision.

This is the 40th traffic-related fatality on Oahu compared to 37 at the same time last year

Anyone who witnessed the hit-and-run is asked to call the Honolulu Police Department’s Traffic Division, Vehicular Homicide Section at 808-723-3413.