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Out of Control Policy Blog

HOT Lanes and Toll Tunnel Could Alleviate Congestion in Honolulu

Samuel Staley
May 21, 2010, 10:27am

Honolulu congestion ranks among the highest in the nation, with a travel time index higher than many metropolitan areas much larger. According to the Texas Transportation Institute, the Honolulu region's travel time index of 1.24 is the highest among medium-size cities it tracks from year to year and ranks 28th highest out of 90 overall.

Practical solutions exist to reducing congestion, however, and they are detailed in an excellent study by University of Hawai'i traffic engineer Panos Prevedouros. In a report titled "Transportation Alternatives Analysis for Mitigating Traffic Congestion" released in June 2008, Dr. Prevedouros provides a detailed analysis of core infrastructure projects that would dramatically improve travel times and create free-flow travel across the city, including:

Additional information on congestion mitigation can be found at

Samuel Staley is Research Fellow

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