Oʻahu rush hour, HOV and zipper lanes

Weekday rush hours run about 6 to 8:30 a.m. toward town and 3 to 6:30 p.m. heading west. H-1 has HOV lanes (2 or more people) eastbound 5:30 to 9 a.m. and westbound 3 to 7 p.m., plus the morning Zipper Lane eastbound.

• Rush hour: roughly 6 to 8:30 a.m. and 3 to 6:30 p.m. on weekdays. Add 30 to 60 minutes to trips on H-1.
• H-1 eastbound (toward town) HOV, 2 or more people: weekdays 5:30 to 9 a.m.
• H-1 Zipper Lane eastbound, 2 or more people: weekdays 5:30 to 9 a.m., from Managers Drive (Waipahu) to the Keʻehi Interchange.
• H-1 westbound HOV, 2 or more people: weekdays 3 to 7 p.m.
• H-2 HOV: southbound 5:30 to 9 a.m., northbound 3:30 to 6 p.m.
• Contraflow lanes: Kalanianaʻole Highway westbound 5 to 8 a.m.; Kahekili Highway southbound 4:30 to 8:30 a.m.; Farrington Highway westbound 3:30 to 6:30 p.m.
• Lanes don't run on most holidays; HDOT posts exceptions.

Sources: Hawaiʻi DOT: Special use lanes (HOV, zipper, contraflow) · Hawaiʻi Guide: Oʻahu driving times

Last checked Oct. 29, 2026. Hours, fees and rules can change, so confirm with the official source before you go.