Congestion prediction on Expressway during Golden Week [national version]

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March 29, 2020
East Nippon Expressway Co., Ltd.
Central Nippon Expressway Co., Ltd.
West Japan Expressway Co., Ltd.
Honshu-Shikoku Expressway Co., Ltd.
(Public interest incorporated foundation) Japan Road Traffic Information Center

NEXCO EAST NEXCO CENTRAL / / JB Honsha / Japan Highway Traffic Information Center (JHTC) has compiled a traffic congestion forecast (traffic congestion of 10 km or more) due to traffic concentration at during NEXCO WEST Expressway Golden Week (10 days from Friday, April 28, 2023 to Sunday, May 7, 2023).

1. 1. Request for decentralized use by forecasting traffic congestion and changing the date and time of use

  • After confirming the contents of traffic congestion prediction, Change the day and time of use Etc. Use without traffic congestion please.

May 3rd (Wednesday) and 4th (Thursday) for the Out-bound line,
There will be frequent traffic jams on In-bound line from May 3rd (Wednesday) to May 5th (Friday).

Number of traffic jams over 10km

Total of up and down lines: 356 times (4/28-5/7)

Image image of the Out-bound line for the number of traffic jams of 10 km or more
Image image of the In-bound line of the number of traffic jams of 10 km or more

Prediction of particularly long traffic jams for each company

IC: interchange, SIC: smart interchange, BS: bus stop, TN: tunnel, PA: parking area

Image image of each company's particularly long traffic jam forecast

Providing road traffic information and traffic congestion prediction information

  • Road traffic conditions change from moment to moment due to accidents, weather, etc.
    Check the latest road traffic information before departure and during your trip.
  • The traffic jam prediction information shows the location of the traffic jam, the length of the traffic jam for each time zone, the time of the peak traffic jam, etc., so please use it for planning your travel date and time.
  • You can use road traffic information and traffic congestion prediction information from the following sites.

2. Schedule of congestion measures at rest facilities, etc.

Based on traffic congestion predictions and past traffic congestion periods (GW, Obon, year-end and New Year holidays, etc.), it is predicted that there will be particularly heavy congestion mainly from May 3rd to 5th. Placement of parking lot control staff, Installation of temporary toilets, Securing large car parking spaces We are planning to implement congestion measures.

3. 3. Request for alleviation 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 over tighten the following distance
    Please secure enough following distance so as not to step on unnecessary brakes while driving!
  3. Avoid changing lanes
    Please refrain from changing lanes more than necessary during traffic jams as it will make traffic jams worse!
Image image of speed reduction alert on In-bound etc.

Four. Request for safe driving

Many accidents occur during traffic congestion. When using Expressway, please remember to "wear seat belts in all seats" and "take frequent and early breaks".
In addition, on Expressway, there is a warning for rear-end collisions at the end of traffic jams, so please drive with caution ahead.

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

(Reference) Comparison with past results

The comparison with the number of traffic jams in 2024 (last year) and 2019 (reference before the corona disaster) is as follows. In addition, traffic jams due to accidents etc. are included in the results for 2024 2019.

(Reference) Image of comparison with past results
  1. The number of traffic jams over 10km includes the number of traffic jams over 30km.
  2. Forecast for 2023 is aggregated for 10 days from Friday, April 28, 5th year of Reiwa to Sunday, May 7th, 2023
  3. 2020 results are aggregated for 10 days from April 29, 2020 (Friday) to May 8, 2020 (Sunday)
  4. 2019 Results are totaled for the 10-day period from 2019 Friday, April 26 to 2019 Sunday, May 5.
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