A 72-year-old woman is in critical condition following a solo crash on the Moanalua Extension in Aiea early this morning, according to the Honolulu Police Department.

Police said at about 5:55 a.m., a 65-year-old man traveling eastbound on the extension near H-3 veered off the roadway and collided with a delineator. As a result of the collision, the 72-year-old woman, a passenger in his car, suffered injuries to her leg.

The driver himself was not injured.

Paramedics transported the woman to a hospital in critical condition.

Police said speed, drugs or alcohol do not appear to be contributing factors at this time.

The investigation is ongoing.