Chubu Odan Expressway (Chubu Odanji Doshashado) will be the first open highway section under direct control
The area between "Sakukomoro JCT" and "Sakuminami IC" will open on March 26th.
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- Press Release Kanto Regional Head Office
- The first open section under direct control of Chubu Odan Expressway, "Saku Komoro JCT" to "Sakunan IC" will open on March 26th.
February 4, 2011
Kanto Regional Development Bureau Nagano National Road Office
East Japan Expressway Co., Ltd. Kanto Regional Head Office Saku Management Office
Ministry of Land, Infrastructure and Transport Kanto Regional Development Bureau, Nagano National Highway Office and NEXCO EAST Kanto Regional Head Office Saku management office is advancing the business Chubu Odan Expressway we will be opening an extension 8.5km of up to Saku Minami IC from Saku Komoro JCT of It was
Opening date and time Saturday, March 26, 2011, 15:00
Opening section 8.5km extension from Sakukomoro JCT to Sakuminami IC
- The opening ceremony is scheduled from 10:30 on the day. The details of the ceremony will be announced later.
【Business summary】
- Chubu Odan Expressway extends from Shizuoka City, Shizuoka Prefecture, to Komoro City, Nagano Prefecture, via Kai City, Yamanashi Prefecture. It is a national highway of approximately 132km.
- Among them, a section of 8.5km from Saku Komoro JCT to Sakunan IC will open on Saturday, March 26, 2011.
[Outline of open section]
Line name:
Chubu Odan Expressway
Opening section:
8.5km from Sakukomoro JCT to Sakuminami IC
Opening JCT:
Saku Komoro JCT [Komoro Mikage Shinden]
(Connecting road: Joshin-Etsu Expressway)
Opening IC:
Sakukita IC [Saku City Mayor Toro, Komoro City Mikage Shinden]
(Connecting road: National highway No. 141)
Sakunaka Sato IC [Nekui Saku City]
(Connecting road: No. 5 of Saku City Road 11)
Sakuminami IC [Sakura City Saku City, Saku City Tomono]
(Connecting road: National highway No. 142)
- IC/JCT names other than Saku Komoro JCT, Sakunan IC, Futaba JCT, and Masuho IC are tentative names on the Chubu Odan Expressway (Saku Komoro JCT-Yoshihara JCT).
[Business history of the open section]
Decided basic plan December 20, 1991
Decided maintenance plan December 27, 1996
Start of site acquisition 2000
Construction start 2003
Directly controlled high-speed shift January 30, 2004
Opening date March 26, 2011
[Chubu Odan Expressway is a free section]
- Chubu Odan Expressway (Komoro Mikage Toll Gate-Sakunan IC) Free section Has become.
- Three Interchange (Saku north IC, Saku Lt. Col. Metropolitan IC, Saku Minami IC) is, newly opened free Expressway is closer than the interchange of ever, makes it easier to use.
- Roads to access each interchange are being developed at the same time.
| IC name | Access road | ||
|---|---|---|---|
| Access road name | Maintenance contents | business person | |
| Sakukita IC | National Route 141 | 4 lanes (widening) | Nagano Prefecture |
| Sakunaka Sato IC | Saku City Road 11-5 | Widening | Saku City |
| Sakunan IC | National Route 142 | 4 lanes (widening) | Nagano Prefecture |
[Chubu Odan Expressway (Saku Komoro JCT-Sakunan IC) Improvement Effect-Relieving Traffic Congestion-]
○ Alleviation of traffic congestion on parallel National Route 141
- The parallel time loss on National Route 141 is approximately 86.2 thousand person hours/year·km, and congestion occurs in many sections.
- In particular, the loss time near Nagatoro Minami intersection is about 450.7 thousand man hours/year·km, About 22 times the national average Has become.
- With the opening of Chubu Odan Expressway (Saku Komoro JCT-Sakunan IC), congestion on Route 141 is expected to ease.
- National average of lost time: 20.3 thousand person hours/year·km
■ Lost time of parallel National Route 141
What is lost time?
- It refers to the extra time that travel speed decreases due to traffic congestion, compared to when there is no traffic congestion.
- Lost time (personal time) = (actual travel time-travel time when there is no traffic jam) x traffic volume by vehicle x passengers by vehicle type
[Chubu Odan Expressway (Saku Komoro JCT-Sakunan IC) maintenance effect-reduction of traffic accidents-]
○ Decrease in parallel road accident 141
- In parallel Route 141, Rear-end collision or encounter There are 242 accidents in 4 years, mainly in
- In particular, the casualty rate at the Saku IC west intersection is approximately 652.2 cases/million vehicles/km, About 6 times the national average Has become.
- The opening of the Chubu Odan Expressway (Saku Komoro JCT-Sakunan IC) will help reduce traffic accidents by diverting traffic and alleviating traffic congestion.
- National average casualty rate: 102.6 cases/100 million km
■ Accident occurrence situation of parallel National Road No. 141
■Parallel National Road 141 accident types
[Chubu Odan Expressway (Saku Komoro JCT-Sakunan IC) maintenance effect-reduction of time required, support for emergency medical care-]
○ Shortened time required and improved accessibility to the third emergency medical institution, Saku General Hospital
- The number of emergency attendance cases in the surrounding area is increasing, and the average hospital accommodation time is also higher than the national average and Nagano prefecture average.
- By the Chubu Odan Expressway (Saku Komoro JCT-Sakunan IC) that will be opened this time, the time required from Tomi City (Tomi City Hall) to Saku General Hospital About 6 minutes (It will be shortened from about 40 minutes to about 34 minutes).
- The third emergency medical institution is a medical institution that comprehensively provides advanced medical care for serious emergency patients who cannot be treated by the initial and second emergency medical institutions.
- The time required for general roads is estimated from the 2005 road traffic census weekday congestion speed.
- The time required for Chubu Odan Expressway is calculated based on the running speed and extension.
[Status of maintenance of the Chubu Odan Expressway (Saku Komoro JCT-Sakunan IC)]
- There is a charge between the Saku Komoro JCT and Komoro Mikage Toll Gate (extension 0.5km). Chubu Odan Expressway from the Sakunan IC area, please note that there is no free exit after the Sakukita IC.
- Photo data will be provided.
[Price list from Chubu Odan Expressway Saku Komoro JCT to major ICs]
- The distance includes 0.5km between Saku Komoro JCT and Komoro Mikage Toll Gate.
- There is a charge between the Saku Komoro JCT and Komoro Mikage Toll Gate (extension 0.5km). Chubu Odan Expressway from the Sakunan IC area, please note that there is no free exit after the Sakukita IC.
- For details, please refer to the "plan" and "Large map of Saku Komoro JCT-Saku Kita IC" in the above maintenance situation.