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

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August 17, 3rd year of Reiwa
East Nippon Expressway Co., Ltd.

NEXCO EAST (Chiyoda-ku, Tokyo) has compiled the traffic conditions during the Obon period [Friday, August 6, 3rd year of Reiwa to Monday, August 16th, 3rd year of Reiwa: 11 days]. To do.

  • Average daily traffic volume decreased to 58% compared to the same period two years ago (down 89% compared to last year).
  • The number of traffic jams over 10km was 30 times, a decrease of 18% compared to the same period two years ago (a decrease of 45% compared to the previous year).
  • The number of traffic jams over 30km was one, which was 5% less than the same period two years ago (33% less than last year).
  • The maximum congestion length was 31.3km, which occurred around 15:50 on Monday, August 9th, near E14 Keiyo Road (In-bound line) ​Anagawa Anagawa​ IC.

1. 1. Comparison period

  1. August 6th (Friday), 3rd year of Reiwa-Monday, August 16th, 3rd year of Reiwa: 11 days
  2. August 8th (Thursday), 1st 2019 Sunday, August 18th, 1st 2019
  3. August 7, 2020 Sunday, August 16th, 2020

2. Traffic volume

(1) Reiwa 3 years results (2) 2019 Contrast (1) / (2) reference
(3) 2020 results Contrast (1)/(3)
Average daily traffic volume * 1
(All cars)		 23,400 units / day 40,400 units / day 58％ 26,300 units / day 89％
(Small) (large) 18,800 4,600 35,100 5,300 54％ 87％ 22,200 4,100 85％ 112％
Maximum daily traffic 28,400 units/day 48,900 units / day 58％ 29,600 units / day 96％

* 1: 12 cross sections of NEXCO EAST
(Attachment [PDF: 194KB] reference)

3. 3. Congestion situation

(1) Reiwa 3 years results (2) 2019 Contrast (1) / (2) reference
(3) 2020 results Contrast (1)/(3)
Traffic congestion of 10 km or more 30 times 167 times 18％ 66 times 45％
Traffic congestion of 30 km or more Once 20 times 5％ 3 times 33％

≪Especially long traffic jams (worst place by top and bottom) ≫

[Reiwa 3 years]

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

[2019]

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

(Reference) [2020]

Vertical line Road name Congestion location * 2 Peak date and time Extension Factor
1 Out-bound line E17Kan-Etsu Expressway Higashi Matsuyama Higashi Matsuyama Near IC August 13 (Thursday) around 11:10 31.2km Traffic concentration and accident
2 Out-bound line E17Kan-Etsu Expressway Takasaka Takasaka Near SA August 9th (Sun) around 10:35 25.0km Accident and traffic concentration
3 Out-bound line E17Kan-Etsu Expressway Takasaka Takasaka Near SA August 14th (Friday) around 9:55 24.7km Traffic concentration and accident
1 In-bound line E17Kan-Etsu Expressway Kawagoe Kawagoe Near IC August 14th (Friday) around 18:50 35.8km Accident and traffic concentration
2 In-bound line E17Kan-Etsu Expressway Kawagoe Kawagoe Near IC Wednesday, August 12, around 17:45 32.1km Traffic concentration
3 In-bound line E17Kan-Etsu Expressway Tsurugashima Tsurugashima Near IC August 9th (Sun) around 17:40 25.5km Accident and traffic concentration

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

Four. Daily traffic conditions

  • Traffic volume and the number of traffic jams have decreased significantly compared to the year before last.
  • There was no noticeable peak in the number of traffic jams.

[Out-bound line]

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

[In-bound]

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

Reference material

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