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Work Zone Safety Information Clearinghouse

Library of Resources to Improve Roadway Work Zone Safety for All Roadway Users

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Hawaii

Flagger training and certification requirements

From State of Hawaii Department of Transportation Highways Division Addendum No. 1 - For Furnishing of Highway Traffic Control at Various Locations Island of Hawaii: "The Contractor, including its … [Read more...] about Flagger training and certification requirements

Center lane closure

Hawaii DOT has used center lane closure on low-speed roadways, but does not recommend it on high-speed facilities. The cones or delineators situated between the two lanes at the beginning and end of … [Read more...] about Center lane closure

Removing temporary traffic control devices with the flow of traffic vs. backing the work vehicle behind to remove the devices

Hawaii removes traffic control devices against the flow of traffic. … [Read more...] about Removing temporary traffic control devices with the flow of traffic vs. backing the work vehicle behind to remove the devices

Time frame allowed for lane closure setup (e.g., 9:00am to 3:30pm)

Hawaii DOT allows contractors to install advance warning signs prior to the contracted/allowed lane closure hours, providing that this activity does not impact "normal" traffic flow. No coning or … [Read more...] about Time frame allowed for lane closure setup (e.g., 9:00am to 3:30pm)

Switched from Construction/Engineering Grade sheeting to High-Intensity sheeting for barrels and barricades

Hawaii DOT has been specifying high-intensity retroreflective sheeting on all of its barricades since the standard specifications were introduced in 1994. Traffic barrels are specified using the same … [Read more...] about Switched from Construction/Engineering Grade sheeting to High-Intensity sheeting for barrels and barricades

Lane closures in rainy weather

Hawaii DOT does not have a policy or guideline regarding opening lane closures if it rains. HDOT relies on a judgment call by the onsite State Construction Engineer. Hawaii is also probably unique in … [Read more...] about Lane closures in rainy weather

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