Traffic flow may be slowed at the intersection of Ala Wai and Kapahulu Avenue, and on Farrington Highway near the Don Quijote store in Waipahu due to motor vehicle collisions before the start of today's rush-hour at 4 p.m.

The collisions in Waikiki and Waipahu were reported at 3:45 and 3:49 p.m., respectively, and involved no critical injuries, police said.

Police reported no other serious problems on major roadways.