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Expressway traffic conditions during the Obon period (breaking news)
[NEXCO EAST version]

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August 17, 2020
East Nippon Expressway Co., Ltd.

NEXCO EAST (Chiyoda-ku, Tokyo) has summarized the traffic conditions during the Obon period [Wednesday, August 10, 2020-Tuesday, August 16, 2020: 7 days]. To do.

  • The average daily traffic volume was 85% compared to the same period in 2019 (before the corona disaster) (increased to 146% compared to last year). *1
  • The number of traffic jams of 10 km or more was 59 times, which was 35% compared to the same period in 2019 (increased to 197% compared to last year).
  • The number of traffic jams of 30 km or more was 3 times, which was 15% compared to the same period in 2019 (increased to 300% compared to last year).
  • The maximum length of traffic jam was 36.8km around 17:25 on Friday, August 12th, near the Tsurugashima IC on the E17 Kan-Etsu Expressway (In-bound line).

*1: For details, please see Attachment 1-1 [PDF: 195KB] and Attachment 1-2 [PDF: 195KB]​

1. 1. Comparison period

  1. 2020 [August 10, 2020 (Wednesday) to August 16, 2020 (Tuesday): 7 days]
  2. 2019 [Thursday, August 8, 2019 to Sunday, August 18, 2019: 11 days]
  3. (Reference) 2021 [Friday, August 6, 2021 to Monday, August 16, 2021: 11 days]

2. Traffic volume

(1) 4 years of Reiwa results (2) 2019 Contrast (1) / (2) reference
(3) Reiwa 3 years results Contrast (1)/(3)
Average daily traffic volume * 1
(All cars)		 34,300 units / day 40,500 units / day 85％ 23,500 units/day 146％
(Small car) (Large car) 29,700 4,600 35,200 5,300 79％ 87％ 18,900 4,600 148％ 100％
Maximum daily traffic 38,100 units/day 48,500 units/day 79％ 26,700 units/day 143％

3. 3. Congestion situation

(1) 4 years of Reiwa results (2) 2019 Contrast (1) / (2) reference
(3) Reiwa 3 years results Contrast (1)/(3)
Traffic congestion of 10 km or more 59 times 167 times 35％ 30 times 197％
Traffic congestion of 30 km or more 3 times 20 times 15％ Once 300％

≪Particularly long traffic jams (3rd worst by direction)≫

[2020]

direction Road name Congestion location * 2 Traffic jam date and time (peak) Congestion extension Cause of traffic jam
1 Out-bound E17Kan-Etsu Expressway Takasaka Takasaka Near SA August 10 (Wednesday) around 10:05 32.9km Traffic concentration and broken car
2 E17Kan-Etsu Expressway Higashi Matsuyama Higashi Matsuyama Near IC August 11 (Thursday) around 6:50 31.2km Traffic concentration and accident
3 E17Kan-Etsu Expressway Takasaka Takasaka Near SA Friday, August 12, around 7:25 29.2km Traffic concentration
1 In-bound direction E17Kan-Etsu Expressway Tsurugashima Tsurugashima Near IC Friday, August 12, around 17:25 36.8km Traffic concentration
2 E17Kan-Etsu Expressway Tsurugashima Tsurugashima Near IC August 14th (Sun) around 17:20 29.8km Traffic concentration and accident
3 E17Kan-Etsu Expressway Takasaka Takasaka Near SA August 16 (Tue) around 18:00 27.7km Traffic concentration and accident

[2019]

direction Road name Congestion location * 2 Traffic jam date and time (peak) Congestion extension Cause of traffic jam
1 Out-bound C4 Ken-O Road Ome Oume Near IC August 9th (Friday) around 10:25 43.2km Traffic concentration and broken car
2 E4 Tohoku Expressway Hanyu Hanyu Near PA August 13 (Tuesday) around 11:00 40.6km Accident and traffic concentration
3 E4 Tohoku Expressway Yaitakita Yaita Kita Near PA August 12 (Monday) around 11:35 40.0 km Traffic concentration and accident
1 In-bound direction E4 Tohoku Expressway Kamikawachi Kamikawachi Near SA August 14 (Wednesday) around 14:50 42.8km Accident and traffic concentration
2 E6 Joban Expressway Hitachi Central Flycatcher Near IC August 14 (Wednesday) around 18:05 41.5km Traffic concentration
3 E4 Tohoku Expressway Kamikawachi Kamikawachi Near SA August 12 (Monday) around 17:40 39.1km Traffic concentration and accident

(Reference) [2021]

direction Road name Congestion location * 2 Traffic jam date and time (peak) Congestion extension Cause of traffic jam
1 Out-bound E14 Keiyo Road Kaizuka Kaizuka near IC August 10 (Tuesday) around 8:55 22.7km Concentrated traffic (detour due to closure of Aqua Line)
2 E17Kan-Etsu Expressway Takasaka Takasaka Near SA August 11 (Wednesday) around 11:00 18.6km Traffic concentration
E17Kan-Etsu Expressway Takasaka Takasaka Near SA August 12 (Thursday) around 10:40 18.6km Traffic concentration and accident
1 In-bound direction E14 Keiyo Road Near ​Anagawa Anagawa IC​ August 9 (Monday) around 15:50 31.3km Concentrated traffic (detour due to closure of Aqua Line)
2 E17Kan-Etsu Expressway Takasaka Takasaka Near SA Saturday, August 14th, around 16:35 23.9km Traffic concentration and accident
3 E17Kan-Etsu Expressway Takasaka Takasaka Near SA August 12 (Thursday) around 17:50 22.1km Traffic concentration and accident
E17Kan-Etsu Expressway Takasaka Takasaka Near SA August 15 (Sun) around 15:50 22.1km Traffic concentration and accident

* 2: IC: Interchange, SA: Service area, PA: Parking area

Four. Daily traffic conditions

  • The peak number of traffic jams was August 10 (Wednesday) for the Out-bound direction and August 14 (Sunday) for the In-bound direction.

[Out-bound]

[Out-bound] Image of traffic volume
[Out-bound] Image of the number of traffic jams (10km or more)

[In-bound]

[In-bound] Image of traffic volume
[In-bound] Image of the number of traffic jams (10km or more)

Reference material

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