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Congestion prediction on Expressway during Obon period [national version]

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July 25, 2018
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) Japan Road Traffic Information Center Obon period [12 days from Wednesday, August 8th to Sunday, August 19th, 2018] Expressway 's traffic congestion forecast is summarized.

1 Request for distributed usage by forecasting traffic congestion and changing usage days and times

  • After confirming the contents of traffic congestion prediction, Change the day and time of use Etc. Use without traffic congestion please.
    Out-bound line, from August 11th (Sat) to 12th (Sun), especially Saturday, August 11 There is a lot of traffic congestion.
    ⇒ August 9th (Thursday) to 10th (Friday) Please consider using!
    ・ The holiday discount will not be applied on Saturday, August 11th and Sunday, August 12th.
    ・ A holiday discount will be applied on August 9th (Thursday) and 10th (Friday).
    In-bound line, from Tuesday, August 14th to Wednesday, August 15, especially Tuesday, August 14 There is a lot of traffic congestion.
    ⇒ August 16th (Thursday) to 17th (Friday) Please consider using!
[Number of times traffic congestion is predicted to be 10 km or more (large urban areas and rural areas)] A total of 558 vertical lines (8/8 to 8/19)
Out-bound: Image of the number of traffic congestion predictions of 10 km or more (large urban areas and rural areas)
In-bound line: Image of the number of traffic congestion predictions of 10 km or more (large urban areas and rural areas)

Prediction of particularly long traffic jams for each company

IC: Interchange, SA: Service area, TN: Tunnel

Company classification Vertical line Road name Congestion peak date and time Peak traffic congestion Traffic jam location number
East Japan Out-bound line E17
Kan-Etsu Expressway		 Saturday, August 11, around 8 o'clock 40km Higashi Matsuyama
Near IC		 【1】
In-bound line E17
Kan-Etsu Expressway		 Wednesday, August 15th, around 16:00 40km Takasaka
Near SA		 【4】
Central Japan Out-bound line E20
ChuoExpressway		 Saturday, August 11th, around 6:00
Sunday, August 12, around 9:00
Monday, August 13th, around 7:00
Saturday, August 18, around 7 o'clock		 45km Sagami Lake
Near IC		 【2】
In-bound line E1
Tomei Expressway		 Friday, August 10, around 19:00 35km Yamato
Near TN		 【5】
Western Japan / Honshi Out-bound line E3
Kyushu Expressway		 Saturday, August 11, around 11:00
Monday, August 13, around 11:00		 30km Chikushino
Near IC		 【3】
In-bound line E1
Meishin Expressway		 Saturday, August 11, around 8 o'clock 35km Otsu
Near IC		 【6】
E28
Kobe-Awaji-Naruto Expressway		 Wednesday, August 15th, around 17:00 35km Maiko
Near TN exit		 【7】

Change of holiday discount application date

In order to equalize the amount of traffic on the Expressway during the Obon period, the days targeted for the holiday discount are from August 11 (Sat) and 12 (Sun) to August 9 (Thurs) and 10 (Fri). Will be changed to.
We appreciate your cooperation in distributed use.
11th (Sat) and 12th (Sun) are not applicable Please be careful. For more information, Attachment 3 [PDF: 331KB] Please confirm.

  • August 11th (Sat) and 12th (Sun) Holiday discounts do not apply.
  • August 9th (Thursday) and 10th (Friday), Holiday discounts apply.

Avoidance effect during peak traffic hours

  • Avoiding times when traffic is expected to occur, and there is relatively little traffic Night to early morning I would like you to use it.

For example, if you use Tomei Shizuoka IC to Tokyo IC on Monday, August 14, 2017,
By shifting the departure time, you can avoid congestion and shorten the time required was. (See the table below)

Image image of the situation when using from Tomei Shizuoka IC to Tokyo IC

Providing road traffic information and traffic congestion prediction information

  • Before departure or during travel Check and utilize the latest road traffic information Please give me.
  • Latest road traffic situation May be subject to traffic congestion due to accidents, weather, etc. Please make use of this before departure or during travel.
  • Traffic jam prediction information Indicates the location of the traffic jam, the traffic length for each time zone, the peak traffic time, etc. Please use it to plan your travel dates and times.
  • You can use road traffic information and traffic congestion prediction information from the following sites.

NEXCO EAST
NEXCO CENTRAL
NEXCO WEST
JB Motoshi high speed
Japan Road Traffic Information Center

  • We also distribute a traffic jam forecast information booklet (congestion forecast guide) at rest facilities.
    * The guide publishes traffic forecast information from August 8th (Wednesday) to August 19th (Sunday).

2 Request for relief of traffic congestion

Customer's A little effort will help alleviate traffic congestion. Thank you for your cooperation.

  • [1] In-bound attention to the rate of decrease in the slope
    In-bound in a place that is alerting the slowdown, such as slope, your attention to the speed decrease!
  • [2] Do not reduce the distance between vehicles too much
    Ensure sufficient inter-vehicle distance so that you do not press the brakes while driving!
  • [3] Do not change lanes
    Excessive lane changes during traffic jams will worsen traffic congestion!
In-bound image of speed decrease caution in slope, etc.

3 Request for safe driving

Accidents frequently occur during traffic congestion. When using the Expressway "Wear all seat belts"or"Frequent and early breaks" Please take the following precautions.
Also, on the Expressway, we will alert you to the rear-end collision at the end of the traffic jam, so please be careful and drive ahead.

Image of warning of rear-end collision at the end of traffic jam

4 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.) Arrangement of parking lot organizers, installation of temporary toilets, and securing of parking for large vehicles We plan to implement measures against congestion, etc.

(Reference) Comparison with last year's results
Traffic jam scale [1] 2018 forecast [2] 2017 results * 2 Difference ([1]-[2])
total going down going up total going down going up total going down going up
Number of traffic congestion of 10km or more * 1 558 times 226 times 332 times 548 times 232 times 316 times +10 times ▲ 6 times +16 times
Number of traffic jams over 30km 36 times 13 times 23 times 41 times 20 times 21 times ▲ 5 times ▲ 7 times +2 times
* 1 The number of traffic jams of 10 km or more includes the number of traffic jams of 30 km or more.
* 2 The 2018 forecast is calculated for 12 days from August 8 (Wednesday) to August 19 (Sunday), 2018.
* 3 2017 results are for 12 days from August 9 (Wednesday) to August 20 (Sunday), 2017 (including traffic jams due to accidents, etc.).

For traffic congestion forecasts by region, please refer to the published materials of each Expressway company.

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