Interstate H-1
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Interstate H-1 (abbreviated H-1 or I-H-1) is an interstate highway in Hawaii, United States, on the island of O‘ahu. Despite the number, this is an east-west highway—the 'H'-series (for Hawaii) numbering reflects the order in which routes were funded and built. H-1 goes from Makakilo at Hawai‘i State Rte. 93 (Farrington Highway) to Kāhala at State Rte. 72 (Kalanianaole Highway). East of Middle Street in Honolulu (exit 19A), H-1 is also known as the Lunalilo Freeway and is sometimes signed as such at older signs in central Honolulu. West of Middle Street, H-1 is also known as the Queen Liliuokalani Freeway; this name is shown on some roadmaps. It is the westernmost interstate highway in the United States.
Length
| Miles | km | ||
| 27 | 43 | Hawaii | |
| 27 | 43 | Total | |
Major cities
Bolded cities are officially-designated control cities for signs.Intersections with other interstates
Spur routes
- A portion of the Moanalua Freeway is designated as Interstate H-201. Until mid-2004, it was signed as Hawaii State Route 78.
Notes
This was the first freeway of any kind built in the Hawaiian Islands. The portion of H-1 that runs through downtown Honolulu opened in 1953 as the Mauka Arterial; it was added to the Interstate system when Hawaii became a state.External links
| Main Interstate Highways |
| ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 5 | 8 | 10 | 12 | 15 | 16 | 17 | 19 | 20 | 22 | 24 | 25 | 26 | 27 | 29 |
| 30 | 35 | 37 | 39 | 40 | 43 | 44 | 45 | 49 | 55 | 57 | 59 | 64 | 65 | 66 | 68 |
| 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 (W) | 76 (E) | 77 | 78 | 79 | 80 | 81 | ||
| 82 | 83 | 84 (W) | 84 (E) | 85 | 86 (W) | 86 (E) | 87 | 88 (W) | 88 (E) | ||||||
| 89 | 90 | 91 | 93 | 94 | 95 | 96 | 97 | 99 | (238) | H-1 | H-2 | H-3 | |||
| Unsigned | A-1 | A-2 | A-3 | A-4 | PRI-1 | PRI-2 | PRI-3 | ||||||||
| Lists | Main - Auxiliary - Suffixed - Business - Proposed - Unsigned Gaps - Intrastate - Interstate standards - Replaced | ||||||||||||||
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