Congestion prediction and countermeasures for Expressway during the year-end and New Year period [Metropolitan area version]
-Please cooperate in distributed use to alleviate traffic congestion-
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- Press Release Kanto Regional Head Office
- Congestion prediction and countermeasures for Expressway during the year-end and New Year period [Metropolitan area version]
November 27, 2015
East Nippon Expressway Co., Ltd. Kanto Regional Head Office
Central Japan Expressway Tokyo Regional Head Office
Central Japan Expressway Co., Ltd. Hachioji Regional Head Office
East Nippon Expressway Co., Ltd. (hereinafter NEXCO EAST) Kanto Regional Head Office and Central Japan Expressway Co., Ltd. (hereinafter NEXCO CENTRAL) Tokyo Regional Head Office /Hachioji Regional Head Office, Year-end and New Year period [10 days from Saturday, December 26, 2015 to Monday, January 4, 2016] We would like to inform you of the trends and countermeasures for traffic congestion (10 km or more) due to traffic concentration predicted to occur on Expressway in the Kanto Koshin region and Shizuoka prefecture (including Tomei Toyokawa IC in Aichi prefecture).
Please refer to this traffic jam forecast to avoid peak traffic jams and adjust your departure times to help plan your trip. Although the forecast is based on past traffic jams during the year-end and New Year period and recent traffic conditions, the actual traffic congestion may differ from the forecast due to accidents and weather conditions. Please check for the latest traffic information.
In addition, each Expressway company provides traffic congestion forecast information and road traffic information with various tools. Please use it when using the Expressway.
1 Congestion prediction
(1) Trend of traffic congestionOut-bound direction is diversified, but it is predicted that congestion will occur mainly from January 2 (Sat) to 3 (Sun). In-bound direction, we predict that congestion will be concentrated on Saturday, January 2 to Sunday, January 3.
By using the traffic congestion prediction and avoiding traffic congestion peaks, we hope that you can reduce traffic congestion and shorten travel time.

- 1: Regarding the number of traffic jams expected on the Gaikan Expressway, "outer direction" toward Misato Minami IC, "inner direction towards Oizumi JCT", and "outer direction" toward the Sakai Furukawa IC on the Ken-o Expressway Direction” and “inward direction” toward the Chigasaki JCT.
- 2: The expected number of traffic jams on the Kita-Kanto Expressway is "Eastbound" towards Mito Minami IC and "Westbound" towards Takasaki JCT.
(2) Prediction of particularly long congestion (30 km or more)
| Person surface |
Peak month/day/weekday | Road name | Top of traffic jam (location) |
Time zone | peak Times of Day |
peak of time Congestion length |
|
|---|---|---|---|---|---|---|---|
| under | 1/2 Saturday | Tomei Expressway | Near Oi Matsuda IC | Ashigarakami-gun, Kanagawa Prefecture Oimachi | 8:00 ~ 18:00 | 10 o'clock | 30km |
| Up | 1/1 gold | Tomei Expressway | Near Yamato TN | Yamato City, Kanagawa Prefecture | 13:00 ~ 22:00 | 16:00 | 35km |
| 1/2 Saturday | Tomei Expressway | Near Yamato TN | Yamato City, Kanagawa Prefecture | 10:00 ~ 2:00 the following day | 17:00 | 45km | |
| Tohoku Expressway | Near Hanyu PA | Hanyu City, Saitama Prefecture | 15:00 ~ 22:00 | 17:00 | 35km | ||
| Kan-Etsu Expressway | Near Takasaka SA | Higashimatsuyama City, Saitama Prefecture (Higashishima Matsuyama) | 14:00 ~ 23:00 | 18:00 | 40km | ||
| 1/3 day | Tomei Expressway | Near Yamato TN | Yamato City, Kanagawa Prefecture | 10:00 ~ 2:00 the following day | 17:00 | 50km | |
| Kan-Etsu Expressway | Near Takasaka SA | Higashimatsuyama City, Saitama Prefecture (Higashishima Matsuyama) | 13:00 ~ 22:00 | 17:00 | 30km | ||
(3) Comparison of the number of traffic jams with the year-end and New Year period of last year (Friday, December 26, 2014-Sunday, January 4, 2015)
The unit of the numerical value in the table is "times"
| Traffic jam scale | (1) Forecast for 2015 | (2) FY2014 results* | Difference ((1)-(2)) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| going down | going up | Total | going down | going up | Total | going down | going up | Total | |
| Number of traffic jams over 10km | 21 | 40 | 61 | 30 | 50 | 80 | ▲9 | ▲10 | ▲19 |
| Of which, the number of traffic congestions of 30 km or more | 1 | 6 | 7 | 1 | 8 | 9 | 0 | ▲2 | ▲2 |
* Including the impact of accidents.
2 How to obtain road traffic information
For how to obtain real-time road traffic information and traffic congestion prediction information, Attachment-2 [PDF: 155KB] Please see.
3 Customer Service Initiatives (Countermeasures against congestion)
We will work to strengthen our customer services, including measures to alert people to the rear end of a traffic jam, staff parking lots in the service area, install temporary toilets, and secure parking for large vehicles.
[Countermeasure example]




~ Requesting customers to drive safely ~
- Incidents of people being hit by Expressway are increasing rapidly
If you are forced to get out of the car due to an accident or breakdown, signal the vehicle behind you with a hazard, a smoke tube, or a triangular stop display board, and then evacuate to a safe place and call the emergency phone etc. - Driving for a long time causes an accident
If you feel drowsiness or tiredness while driving, please do not overdo it and take an early break. - Please check the car before driving to prevent troubles during driving.
- Please wear all seat belts, including the back seats
- Insert the ETC card securely
- Enter the ETC lane after decelerating to 20km / h or less, and drive slowly inside the ETC lane.
- Please be careful of a rear-end collision at the end of a traffic jam
- For fuel and toilet, take an appropriate break as soon as possible and keep in mind to drive safely.
- There are many accidents involving motorcycles
Make sure you understand the traffic and weather conditions, keep a sufficient distance between vehicles, and drive at a safe speed.
Please do not overtake a vehicle during a traffic jam as it is dangerous. - For abnormalities on the road, make an emergency call or road emergency dial # 9910 Please let us know
~ Requesting our customers to cooperate in alleviating traffic congestion ~
- Please use the traffic congestion prediction information and avoid peak times.
- In-bound as well as attention to the slowdown in the hill, take the vehicle-to-vehicle distance to enough, except when overtaking Please use the driving lane

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Related Sites and Content
If you are looking for information on fares, routes, service areas and parking areas, please click here.
If you are looking for real-time traffic congestion and restriction information, click here.
NEXCO EAST (Road Disaster Prevention Information) Official X
Click here if you are looking for road information such as road closures during disasters.