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

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

2. Traffic volume

		(1) Reiwa 3 years results		(2) 2019		Contrast (1) / (2)		reference
		(1) Reiwa 3 years results		(2) 2019		Contrast (1) / (2)		(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
	(1) Reiwa 3 years results	(2) 2019	Contrast (1) / (2)	(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
2	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
3	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]

[In-bound]

Reference material

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