The Naha Airport Expressway (那覇空港自動車道, Naha Kūkō Jidōsha-dō) is an expressway on Okinawa Island in Okinawa Prefecture, Japan. The expressway has a length of 11.7 kilometres (7.3 mi). The Ministry of Land, Infrastructure, Transport and Tourism maintains most of the expressway, but the West Nippon Expressway Company is the owner and operator of a short section of the expressway at its eastern end. It is signed E58 as a spur route of the Okinawa Expressway under the "2016 Proposal for Realization of Expressway Numbering".[2] It also carries the entire length of National Route 506.[1]
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 那覇空港自動車道 | ||||
 The Naha Airport Expressway highlighted in red | ||||
| Route information | ||||
| Length | 11.7 km[1] (7.3 mi) | |||
| Existed | 2000–present | |||
| Component highways |  National Route 506 | |||
| Major junctions | ||||
| East end | Nishihara Junction in Nishihara Okinawa Expressway | |||
 National Route 507 | ||||
| West end | Tomigusuku-Nakachi Interchange in Tomigusuku National Route 331 / Okinawa Prefecture Route 256 | |||
| Location | ||||
| Country | Japan | |||
| Highway system | ||||
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History
edit
The Naha Airport Expressway first opened on 23 June 2000 between its eastern terminus at the junction with the Okinawa Expressway and Haebaru-minami Interchange. It was extended further west on 26 April 2003 from Haebaru-minami Interchange to Tomigusuku Interchange. It was extended to its current western terminus at Tomigusuku-Nakachi Interchange on 22 March 2008.[3]
Junction list
editThe entire expressway is in Okinawa Prefecture.
| Location | km[4] | mi | Exit | Name | Destinations | Notes | |
|---|---|---|---|---|---|---|---|
| Nishihara | 0 | 0.0 | 1-1 | Nishihara | Okinawa Expressway | Eastern terminus; eastbound exit, westbound entrance | |
| Haebaru | 1.7 | 1.1 | A1 | Haebaru-kita |  National Route 329 – Yonabaru, Naha | ||
| 5.9 | 3.7 | A2 | Haebaru-minami | National Route 507 / Okinawa Prefecture Route 82 – Yaese, Naha | |||
| Tomigusuku | 9.4 | 5.8 | A3 | Tomigusuku | Okinawa Prefecture Route 7 – Itoman, Naha | ||
| 12.1 | 7.5 | A4 | Tomigusuku-Nakachi |  National Route 331 (Oroku Bypass) – Naha Airport, NahaOkinawa Prefecture Route 68 – Nakachi | Western terminus; highway continues as the Oroku Bypass | ||
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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References
edit- ^ a b "一般国道の路線別、都道府県別道路現況" [Road statistics by General National Highway route and prefecture] (PDF) (in Japanese). Ministry of Land, Infrastructure, Transport and Tourism. Retrieved 3 September 2020.
- ^ "Japan's Expressway Numbering System". www.mlit.go.jp.
- ^ "一般国道５０６号豊見城東道路" [General National Route 506 Tomigusuku East Road] (in Japanese). 2009. Retrieved 3 September 2020.
- ^ "Naha Airport Expressway" (Map). Google Maps. Retrieved 3 September 2020.