Congestion prediction on Expressway during Obon period
[National version]
-Please check traffic information in advance and cooperate with distributed use-
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- Congestion prediction on Expressway during Obon period [national version]
July 12, 2013
East Nippon Expressway Co., Ltd.
Central Japan Expressway Co., Ltd.
West Japan Expressway Co., Ltd.
Honshu-Shikoku Expressway Co., Ltd.
(Public foundation) Japan Road Traffic Information Center
NEXCO EAST / NEXCO CENTRAL / NEXCO WEST /JB Motoshi Expressway / (public interest incorporated foundation) The Japan Road Traffic Information Center is in the Obon period [August 8 (Thu)-August 2013] We summarized the traffic jam forecast due to traffic concentration at Expressway for 11 days on the 18th (Sunday).
1 Congestion prediction
[Out-bound Line] August 10th (Sat) to 11th (Sun)
[In-bound] Thursday, August 15
[Graph of the number of traffic jams over 10 km at peak]

- The traffic congestion forecast is based on the traffic conditions such as the past Bon Festival, the year-end and New Year holidays, and the traffic congestion period such as GW this year.
[Especially long congestion prediction]
IC: Interchange, JCT: Junction, SA: Service area, PA: Parking area, TN: Tunnel
Road name (direction) | Congestion peak Date and time (forecast) | Traffic jam Point | location | Traffic jam section (End IC ⇒ IC on the top side) | Peak time Congestion length (Km) | Normal time Passing time | Traffic jam peak Time passage time | Traffic jam Time zone |
---|---|---|---|---|---|---|---|---|
Chuo Expressway (Out-bound line) From Tokyo to Nagoya | Saturday, August 10 Six o'clock | Near Fujino PA | Kanagawa Prefecture Sagamihara City | Takaido IC ⇒ Uenohara IC | 40km | About 30 minutes | About 2 hours 00 minutes | 5:00 ~ 13:00 |
Kan-Etsu Expressway (Out-bound line) From Tokyo to Niigata | Tuesday, August 13 8 o'clock | Near Higashimatsuyama IC | Saitama Higashimatsuyama City | Oizumi JCT ⇒ Arashiyama Ogawa IC | 40km | About 25 minutes | About 1 hour 20 minutes | 6:00 ~ 15:00 |
Tomei (In-bound line) From Nagoya to Tokyo | August 11 (Sun) 17:00 | Near Yamato TN | Kanagawa Prefecture Yamato City | Gotemba IC ⇒ Yokohama Machida IC | 40km | About 25 minutes | About 1 hour 40 minutes | 14:00 ~ 1:00 the next day |
Tomei (In-bound line) From Nagoya to Tokyo | Wednesday, August 14 18:00 | Near Yamato TN | Kanagawa Prefecture Yamato City | Gotemba IC ⇒ Yokohama Machida IC | 35km | About 25 minutes | About 1 hour 25 minutes | 14:00 ~ 0:00 the next day |
Kan-Etsu Expressway (In-bound line) From Niigata to Tokyo | August 16 (Fri) 17:00 | Near Takasaka SA | Saitama Higashimatsuyama City | Honjo Kodama IC ⇒ Tsurugashima IC | 35km | About 25 minutes | About 1 hour 10 minutes | 14:00 ~ 22:00 |
Tomei (In-bound line) From Nagoya to Tokyo | Saturday, August 17 18:00 | Near Yamato TN | Kanagawa Prefecture Yamato City | Gotemba IC ⇒ Yokohama Machida IC | 35km | About 25 minutes | About 1 hour 25 minutes | 11:00 ~ 22:00 |
- Congestion over 30km during peak hours other than the above table, Attachment [PDF: 81KB] Please confirm.
[Providing traffic congestion prediction information]
・Congestion forecast information is provided from the following sites.
You can find out where the congestion is occurring, the length of the congestion for each time zone, the time of peak congestion, etc. Please use it for planning your travel days and times. We also distribute a traffic jam forecast information booklet (congestion forecast guide) at rest facilities.
- Japan Road Traffic Information Center (congestion forecast)... http://www.jartic.or.jp/
- NEXCO EAST (DraTra: Traffic Congestion Prediction) http://www.drivetraffic.jp/
- NEXCO CENTRAL (congestion forecast calendar)... http://www.c-nexco.co.jp/
- NEXCO WEST (congestion forecast calendar)... http://www.w-nexco.co.jp/
2 Request for distributed use
The following usage methods are available to avoid traffic congestion.
- Travel planning that avoids dates when the number of traffic congestion peaks
- A drive plan from night to early morning when there is relatively little traffic. However, please be careful when you fall asleep and try to rest often and early.
[Avoidance effect during peak traffic hours]
For example, if you used the Kodo Showa IC to Takaido IC on the Chuo Expressway on Friday, August 17, last year, By shifting the departure time, we were able to avoid congestion and shorten the time required. (See table below)

[Provision of road traffic information]
Road traffic information is provided from the following sites.
Road traffic conditions may change due to traffic jams due to accidents and weather, so please use this before departure or while traveling.
- Japan Road Traffic Information Center... http://www.jartic.or.jp/
- Drive traffic ················ http://www.drivetraffic.jp/
- Ai Highway Central Japan... http://c-ihighway.jp/
- Eye Highway ................. http://ihighway.jp/
3 Request for safe driving

Accidents frequently occur during traffic congestion. When using the Expressway, please be sure to "wear all seat belts" and "reserve frequent and early breaks". We guide you to warn you of a rear-end collision at the end of a traffic jam, but please drive ahead while driving.
4 Request for relief of traffic congestion

A little effort from customers will help alleviate traffic congestion. Thank you for your cooperation.
- Do not slow down
-In-bound for the portion that is to guide the speed decrease caution in the slope or the like, will be particular attention to slow down, and then ask you to recover the speed. - Do not reduce the distance between vehicles too much
・Take sufficient distance between vehicles so that you do not press the brakes excessively. - Do not concentrate on the passing lane
・Unnecessary lane changes during traffic congestion will worsen traffic congestion. When you are in a traffic jam, please do not change lanes as much as you can.
5 Plans for measures against congestion at rest facilities
Based on traffic congestion forecasts and past traffic congestion periods (GW, Obon, year-end and New Year holidays, etc.), during the period when particularly heavy congestion is predicted, parking lot arranging staff at rest facilities and temporary toilets will be installed. , We plan to implement measures against congestion, such as securing parking spaces for large vehicles.

Related press release
- Comfortable drive forecast for Obon period [NEXCO EAST version]
- Congestion prediction of Expressway during Obon period [Hokkaido version]
- Congestion prediction on Expressway during the Obon season [Tohoku region version]
- Congestion prediction and countermeasures for Expressway during the Obon season [Metropolitan area version]
- Congestion forecast and countermeasures during Obon period [Niigata Prefecture]

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