Two people were hospitalized, including a Honolulu police officer, following a collision this morning on Puuloa Road near Wendy’s restaurant.

Police said the a woman driver, 46 blacked out while heading makai and her car hit the police officer’s vehicle on Puuloa Road at 7:10 a.m.. The officer, 45, was hospitalized in serious condition while the woman was listed in good condition, police said.

The officer is described as a 12-year HPD veteran assigned to the Kalihi patrol district.

Puuloa Road between Kilihau Street and Mapunapuna Place was closed for two hours while the accident was being investigated.

Police had said earlier that the accident was apparently a head-on collision, but investigators determined the woman’s vehicle sideswiped the officer’s subsidized vehicle, whichwas heading mauka.