Highways, Roads & Bridges

Improvements to Keaau-Pahoa Road Contra Flow from Shower Drive to Kaloli Drive and Roundabout at Highway 130 and Ainaloa Boulevard

Keaau, Hawaii

CLIENT

State of Hawaii, Department of Transportation, Highways Division

About the Project

Phase 1 of this Keaau-Pahoa Road project extended from Shower to Kaloli Drive and included pavement widening, guardrail modifications, signing/striping and minor grading to allow for a contraflow lane to alleviate peak hour congestion. Phase 2 improved the Ainaloa Boulevard intersection by converting it to a single-lane roundabout. Pavement reconstruction, drainage improvements, utility relocations, signing/striping, lighting, bus pullouts, and traffic calming measures were were included.

Contact Us:
501 Sumner Street Suite 620 Honolulu Hawaii 96817
808.531.1308
mmatsumoto@ssfm.com
©2026 SSFM International, Inc.
All rights reserved.
Island Experts
Over six decades of experience in the Pacific Region means we know the people, the places, the customs and the challenges of bringing projects to life throughout this region.
Contact Us:
501 Sumner Street Suite 620 Honolulu Hawaii 96817
808.531.1308
mmatsumoto@ssfm.com
©2026 SSFM International, Inc.
All rights reserved.
Contact Us:
501 Sumner Street Suite 620 Honolulu Hawaii 96817
808.531.1308
mmatsumoto@ssfm.com
©2026 SSFM International, Inc.
All rights reserved.