H-1 & H-201 Projects Quick Information
| Project Name | Typical Work Schedule | Estimated Completion Date* |
| H-1 Airport Viaduct Improvements Vicinity of Valkenburg Street to Middle Street | Nightly: Monday – Thursday, 8 p.m. – 4 a.m. the following day Weekend work: 24-hr. closure Friday – Monday, 8 p.m. – 4 a.m. Full Closures: Friday – Saturday, 11 p.m. – 6 a.m., Saturday – Sunday, 11 p.m. –6a.m. |
December 2025 |
| H-1 Salt Lake Rehabilitation | Continuous Weekend Closure, Eastbound: Friday from 8 p.m. to Monday 2:30 a.m. Weeknight (Monday-Thursday) to be scheduled for striping work, Oct. 2025 |
February 2026 |
| H-1 Pearl City and Waimalu Viaduct Improvements between the Hālawa Interchange and the H-1/H-2 split | Nightly: Tuesday – Friday 7 p.m. – 4:30 a.m. the following day Weekend work: Friday from 7 p.m. – 8 a.m. Saturday Saturday from 7 p.m. – 9 a.m. Sunday |
March 2027 |
| H-201 Moanalua Freeway Paving between the H-3 Freeway ramp and the Fort Shafter overpass |
Nightly 3 right lane closure Sunday 9 p.m. – Friday 5 a.m. Beginning 10/19 Nightly full closures of the Halawa/H-3 Freeway off-ramps from westbound Moanalua Freeway,through Nov. 2025 Sundays, 8p.m. – 5:30 a.m. Monday – Friday |
January 2026 |
| H-1 Eastbound Improvements – Ola Lane to Likelike Highway | 24/7 – H-1 eastbound right shoulder near Ola Lane overpass, Beckley St. at Gulick Avenue Nightly (when needed), Monday – Thursday, 9 p.m. – 4:30 a.m. the following day Friday, 9 p.m. – 7 a.m. the following day Daily single lane closures on Gulick Avenue Overpass and Richard Lane, Monday – Friday, 8:30 a.m. – 5 p.m. Daily full closures of Beckley Street, Monday – Friday, 7 a.m. – 3:30 p.m. |
September 2027 |
More Roadwork Resources:
To view the weekly roadwork lists, please visit: https://hidot.hawaii.gov/highways/roadwork.
To sign up for weekly HDOT lane closure updates please visit: https://public.govdelivery.com/accounts/hidot/subscriber/new