Congestion prediction on Expressway during Golden Week [national version]

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  • Congestion prediction on Expressway during Golden Week [national version]

March 29, 2017
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 Honbun / (Public Goods) The Japan Road Traffic Information CenterGolden Week period [10 days from April 28 (Fri) to May 7 (Sun)] We have compiled a traffic jam forecast based on the concentration of traffic on the Expressway.

Congestion tendency and request for distributed use
  • Both upper and lower lines, Traffic congestion is particularly high between May 3 and 5 I predict.
  • Shift the departure date/time based on the traffic congestion forecast For example, use without traffic congestion.
  • Before departure or during use Utilization of the latest road traffic information To.

1 Congestion prediction

Days when it is predicted that congestion of 10 km or more will occur frequently
[Out-bound line]: May 3rd (Wednesday) -4th (Thursday)
[In-bound line]: May 4th (Thursday) to 5th (Friday)
≪Number of traffic congestion predictions over 10 km≫ Total of up and down lines 305 times
Image image of Out-bound line
Image image of In-bound line

<<Each company's forecast of particularly long traffic jams>>
IC: Interchange, SA: Service area, TN: Tunnel

Company classification Vertical line Road name Congestion peak date and time Peak traffic congestion Traffic jam location
East Japan Out-bound line E6 Joban Expressway Wednesday, May 3 9:00 45km Near Tsuchiura Kita IC
In-bound line E17 Kan-Etsu Expressway Friday, May 5 17:00 45km Near Takasaka SA
Central Japan Out-bound line E20ChuoExpressway May 3 (Wednesday) around 6:00 45km Near Sagamiko IC
In-bound line E1Tomei Expressway Friday, May 5 17:00 40km Near Yamato TN
Western Japan / Honshi Out-bound line E2A Chugoku Expressway Wednesday, May 3 9:00 30km Near Takarazuka Higashi TN
In-bound line E28 Kobe Awaji Naruto Road Saturday, May 6th, around 19:00 45km Near Maiko TN exit

2 Request for distributed use

  • Traffic jam is predicted Drive plans that avoid time zones!
  • Relatively low traffic Drive plan from night to early morning!
<<Effect of avoiding peak traffic hours>>

For example, in the case of using the Kan-Etsu Expressway Nerima IC to Fujioka JCT on Tuesday, May 3, 2016,
By shifting the departure time, you can avoid congestion and shorten the time required was. (See table below)

Image of avoidance effect during peak traffic hours

≪Providing road traffic information and traffic congestion prediction information≫

  • Road traffic Changes from moment to moment due to accidents and weather, so Please check before departure and during travel.
  • You can see the location of congestion, the length of congestion for each time zone, peak time of congestion, etc. Providing traffic congestion prediction information Since we are doing 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.
    • We also distribute a traffic jam forecast information booklet (congestion forecast guide) at rest facilities.
      *The Traffic Congestion Forecast Guide contains traffic congestion forecast information from April 28 (Fri) to May 7 (Sun).

3 Requests for alleviating traffic congestion

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

In-bound image of speed decrease caution in slope, etc.
  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!

4 Request for safe driving

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

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.

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.) 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) Forecast for 2017 (2) 2017 Achievements * 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 * 1 305 times 119 times 186 times 270 times 104 times 166 times +35 times +15 times +20 times
Number of traffic jams over 30km 25 times 10 times 15 times 20 times 8 times 12 times +5 times +2 times +3 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 2016 results are the total of 10 days from April 29 (Friday) to May 8 (Sunday), 2016 (including traffic congestion due to the effects of accidents, etc.).

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

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