Hawaii_Route_55

List of state highways in Hawaii

List of state highways in Hawaii

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The Hawaii Department of Transportation (HDOT) maintains the smallest state-maintained system of state highways in the country. It consists of Interstates, state highways, and secondary state highways, totaling approximately 1,013 miles (1,630 km).[1]

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The state's four Interstates, all located on O‘ahu, are built to mainland standards unlike their counterparts in Alaska and Puerto Rico. The first three routes (H-1, H-2, and H-3) were approved in 1960, while an auxiliary route (H-201) was added in 1989.[2]

Primary and auxiliary interstates

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Primary and secondary routes

The current state (then territorial) highway numbering system was established in 1955. Route numbers are organized so that the initial digit corresponds to the island:

In general, two-digit numbers are primary highways, maintained by the state. Three-digit routes are typically secondary arterials or collectors, while four-digit routes are typically collectors and minor roads. For secondary routes, the first two digits generally relate to the associated primary route. Many secondary routes are county-maintained and unsigned, their route numbers being used merely by state agencies as an asset-tracking measure.[4]

When referring to highways, Hawaiʻi residents usually refer to state highways by their names instead of their route numbers (e.g. Kamehameha Highway instead of Route 99). Note that one named highway may encompass several route numbers (e.g. Kamehameha Highway, which carries Routes 80, 83, 99, and 830 at various points along its length) and vice versa.

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Temporary Federal routes

During World War II, a temporary Federal route numbering system was setup on the island of Oahu. They were used to assist military personnel not accustomed to the Hawaiian street names during the time of Martial law in the Territory of Hawaiʻi from 1941 to 1945. Though marked with U.S. Route shields, they were never part of the United States Numbered Highway System.[22]

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See also


References

  1. Hartgen, David T.; Fields, M. Gregory; Feigenbaum, Baruch (September 2014). 21st Annual Report on the Performance of State Highway Systems (1984–2012) (PDF). Policy Study 436. Reason Foundation. p. 9. Retrieved January 14, 2019.
  2. Weingroff, Richard. "Interstates in Hawaii: Are We Crazy???". Ask the Rambler. Federal Highway Administration. Retrieved November 22, 2021.
  3. Hawaii Department of Transportation (December 2012). "Federal-Aid Functional Classification Update: Policy and Procedures" (PDF). State of Hawaii. Retrieved August 30, 2022.
  4. Google (January 16, 2019). "Route 18" (Map). Google Maps. Google. Retrieved January 16, 2019.
  5. Google (January 17, 2019). "Route 21" (Map). Google Maps. Google. Retrieved January 17, 2019.
  6. Google (January 17, 2019). "Route 22" (Map). Google Maps. Google. Retrieved January 17, 2019.
  7. Google (January 16, 2019). "Route 33" (Map). Google Maps. Google. Retrieved January 16, 2019.
  8. Google (January 16, 2019). "Route 34" (Map). Google Maps. Google. Retrieved January 16, 2019.
  9. Google (January 17, 2019). "Route 35" (Map). Google Maps. Google. Retrieved January 17, 2019.
  10. Google (January 16, 2019). "Route 380" (Map). Google Maps. Google. Retrieved January 16, 2019.
  11. Google (January 16, 2019). "Route 39" (Map). Google Maps. Google. Retrieved January 16, 2019.
  12. Google (January 16, 2019). "Route 40" (Map). Google Maps. Google. Retrieved January 16, 2019.
  13. Google (January 16, 2019). "Route 44" (Map). Google Maps. Google. Retrieved January 16, 2019.
  14. Google (January 16, 2019). "Route 450" (Map). Google Maps. Google. Retrieved January 16, 2019.
  15. Google (January 16, 2019). "Route 460" (Map). Google Maps. Google. Retrieved January 16, 2019.
  16. Google (January 16, 2019). "Route 470" (Map). Google Maps. Google. Retrieved January 16, 2019.
  17. Google (January 23, 2019). "Route 48" (Map). Google Maps. Google. Retrieved January 23, 2019.
  18. Google (January 17, 2019). "Route 55 - South" (Map). Google Maps. Google. Retrieved January 17, 2019.
  19. Google (January 17, 2019). "Route 55 - North" (Map). Google Maps. Google. Retrieved January 17, 2019.
  20. Google (January 17, 2019). "Route 570" (Map). Google Maps. Google. Retrieved January 17, 2019.
  21. Voss, Oscar (December 2010). "Hawaii Highways--FAQs page 3". Retrieved January 14, 2019.[self-published source]

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