Quoted in Bob Sigall's article Rearview Mirror: 5 vehicular tunnels were built out of 14 proposed
Pali Highway to UH
Panos Prevedouros, professor of transportation engineering at the University of Hawaii, proposed this tunnel in 2012 to alleviate H-1 congestion. One tunnel could provide two lanes in each direction, he said.
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I was surprised that Bob Sigall discovered this tunnel proposal I studied with James Tokishi (a UHM CEE graduate) for HDOT. As far as I know, it has not been published anywhere. It was supposed to be a low clearance double-decker single bore tunnel (like A86 in Paris*), roughly from Pali Hwy. at Kuakini St. to Wilder Ave. at Dole St.
* https://tunnels.piarc.org/en/system/files/media/file/appendix_2.08_-_france_-_paris_-_duplex_a86.pdf
Honolulu to Ewa Beach
In the late 1960s a tunnel under the entrance to Pearl Harbor was proposed by the state House of Representatives to help leeward commuters get to town more quickly. It could shave 30- 40 minutes off their commute, some felt.
DOT Director Fujio “Fudge” Matsuda said the tunnel would be 7,000 feet long and cost over $750 million (in today’s dollars).
High maintenance costs, vulnerability to tidal wave inundation and Navy objections sank the idea then, but it gets resurrected every now and then. [That's right! See below]
Pearl Harbor Tunnel is a reversible 2-lane relatively short tunnel under the entrance of Pearl Harbor with cut-and-cover sections through the Honolulu International airport, priority lanes along Lagoon Drive and direct connection to the Nimitz Viaduct. Nimitz Viaduct is a 2-lane reversible “flyover” from the Keehi interchange to Iwilei. Drive times from Ewa to downtown would be reduced from 65 to 11 minutes and the traffic reduction on Ft. Weaver Road and H-1 Fwy. would bring those commuter times down from 65 to 40 minutes.
Pali Highway to UH
Panos Prevedouros, professor of transportation engineering at the University of Hawaii, proposed this tunnel in 2012 to alleviate H-1 congestion. One tunnel could provide two lanes in each direction, he said.
===========
I was surprised that Bob Sigall discovered this tunnel proposal I studied with James Tokishi (a UHM CEE graduate) for HDOT. As far as I know, it has not been published anywhere. It was supposed to be a low clearance double-decker single bore tunnel (like A86 in Paris*), roughly from Pali Hwy. at Kuakini St. to Wilder Ave. at Dole St.
* https://tunnels.piarc.org/en/system/files/media/file/appendix_2.08_-_france_-_paris_-_duplex_a86.pdf
Honolulu to Ewa Beach
In the late 1960s a tunnel under the entrance to Pearl Harbor was proposed by the state House of Representatives to help leeward commuters get to town more quickly. It could shave 30- 40 minutes off their commute, some felt.
DOT Director Fujio “Fudge” Matsuda said the tunnel would be 7,000 feet long and cost over $750 million (in today’s dollars).
High maintenance costs, vulnerability to tidal wave inundation and Navy objections sank the idea then, but it gets resurrected every now and then. [That's right! See below]
Pearl Harbor Tunnel is a reversible 2-lane relatively short tunnel under the entrance of Pearl Harbor with cut-and-cover sections through the Honolulu International airport, priority lanes along Lagoon Drive and direct connection to the Nimitz Viaduct. Nimitz Viaduct is a 2-lane reversible “flyover” from the Keehi interchange to Iwilei. Drive times from Ewa to downtown would be reduced from 65 to 11 minutes and the traffic reduction on Ft. Weaver Road and H-1 Fwy. would bring those commuter times down from 65 to 40 minutes.
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