#Highway honolulu traffic before today series

Ĭonstruction on the first new section of H-1 began in 1963, shortly after alignments were approved for most of the freeway. The 'new' section of H-1 was, however, built to modern freeway standards. This section has been largely unchanged since its inception and its design suffers from having too many on/offramps, short distanced onramps, and onramps that enter the freeway almost immediately before an offramp (opposite of current design standards). The portion of H-1 that runs through Downtown Honolulu had opened in 1953 as the Mauka Arterial and was incorporated into the new freeway. One of the corridors, connecting Barbers Point to Diamond Head, was designated as H-1 by the Bureau of Public Roads (now the Federal Highway Administration) on August 29, 1960. JSTOR ( August 2016) ( Learn how and when to remove this template message)Ī 1965 photo of H-1 under construction, looking eastbound, ending at Harding and Kapahulu avenues Ī set of Interstate Highways serving Oʻahu were authorized by the federal government in 1960, a year after Hawaii was admitted as a state.Unsourced material may be challenged and removed. Please help improve this article by adding citations to reliable sources in this section. This section needs additional citations for verification. The H-1 and Nimitz Highway contraflow lanes are restricted to buses, motorcycles, and vehicles with two or more occupants while in operation. The H-1 contraflow lane is often referred to as a 'zipper lane' due to the use of a movable concrete barrier and a zipper machine. H-1 ends in the Kāhala district of Honolulu near Kahala Mall, where Route 72 (Kalanianaole Highway) ends.ĭuring morning commute hours on weekdays, an eastbound contraflow express lane is deployed from just east of exit 5 to exit 18A, where it connects to the beginning of the Nimitz Highway contraflow lane. A flyover interchange leading to Downtown Honolulu has a westbound exit and an eastbound entrance.

#Highway honolulu traffic before today series

H-1 west does not have access to H-201 at this point.įrom here, H-1 runs through the city of Honolulu along a series of underpasses and viaducts. Access is provided by a left exit from H-1 east only. Two miles (3.2 km) past the airport exit, three lanes exit the freeway at exit 18A to join Nimitz Highway toward Waikiki, while, half a mile (0.80 km) later, the remaining two lanes make a sharp turn south as H-1 reaches another major interchange with the east end of H-201.

H-1 westbound viewed from Ward Avenue near Downtown Honolulu At this point, the highway runs along a viaduct above Route 92 ( Nimitz Highway), passing to the north of Daniel K. The highway then turns south for two miles (3.2 km), then east soon after the exits for Hickam Air Force Base and Pearl Harbor. It then continues east through the towns of Pearl City and Aiea for approximately five miles (8.0 km) to the complex Halawa Interchange, where it meets H-3 and H-201. H-1 then continues along the northern edge of Waipahu approximately three miles (4.8 km) until its junction with H-2. The freeway continues east, passing the community of Makakilo until reaching the junction with Route 750 (north to Kunia Camp) and Route 76 (south to ʻEwa Beach). West of this point, Route 93 (Farrington Highway) continues toward Waianae. H-1 begins near the Campbell Industrial Park in the town of Kapolei. Inouye International Airport heading into Downtown Honolulu Route description Aerial view of H-1 (looking east) from Daniel K. It is both the southernmost and westernmost signed Interstate Highway located in the US. West of Middle Street, H-1 is also known as the Queen Liliʻuokalani Freeway, after the former Hawaiian queen this name is shown on some roadmaps. East of Middle Street in Honolulu (exit 19A), H-1 is also known as the Lunalilo Freeway, after the former Hawaiian king, and is sometimes signed as such at older signs in central Honolulu. H-1 goes from Route 93 (Farrington Highway) in Kapolei to Route 72 (Kalanianaole Highway) in Kāhala. 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.

The highway is located on the island of Oʻahu. Interstate H-1 is the longest and busiest Interstate Highway in the US state of Hawaii.