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[C3] Gaikan Expressway and [E17] Kan-Etsu Kan-Etsu Expressway Oizumi IC Night Lamp Closed
And Notice of partial nighttime closure of Route 24 (Mejiro-dori)

From September to November 2023, a total of 7 nights from 21:00 to 5:00 the next morning each day
- Bridge construction work for the Tokyo Outer Ring Road will be carried out -

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  • [C3] Gaikan Expressway and [E17] Kanetsu Kan-Etsu Expressway Oizumi IC Night Lamp Closure and Notice of Partial Nighttime Closure of Route 24 (Mejiro Dori)
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August 4, 2020
East Nippon Expressway Co., Ltd.
Tokyo outer ring construction office

NEXCO EAST At the Tokyo Gaikan Construction Office (Nerima-ku, Tokyo), C3 Gaikan Expressway (hereinafter referred to as "Gaikan Road") Oizumi Interchange (hereinafter referred to as "IC") In order to erect bridges in the vicinity, the C3 outer ring road and E17 Kan-Etsu Expressway (hereinafter referred to as "Kan-Etsu ExpresswayIn addition, some sections of the Metropolitan Route 24 Nerima Tokorozawa Line (hereinafter referred to as "Mejiro-dori") will also be closed.
Due to the closure of the ramp and the closure of the road, there is a risk of congestion on the detour of the general road, so please check the road information when you go out and use it with plenty of time.
We apologize for any inconvenience this may cause to customers using the Expressway, people living along the road, and everyone using Mejiro Street, and ask for your understanding and cooperation.

1. 1. Closing location and date and time

  1. Closed place:
    • Outer ring road inner loop (from Wako direction) Oizumi IC exit ramp
    • Outer ring road (towards Wako) Oizumi IC entrance ramp
    • Kan-Etsu Expressway Out-bound Line (towards Tokorozawa) Oizumi IC entrance ramp
    • About 0.4km around Mejiro-dori Oizumi IC
    2. Image of closed area
    • Attached to each line C3 The indications such as indicate the route number (numbering) of Expressway.
  2. Date and time
    Implementation date:
    September 4th (Mon) and 7th (Thursday), 2023
    October 5th (Thursday), 16th (Monday), 23rd (Monday), 26th (Thursday)
    Wednesday, November 1
    Preparation day:
    September 5th (Tuesday), 6th (Wednesday), 11th (Monday) to 14th (Thursday), 5th year of Reiwa
    October 10th (Tuesday) to 12th (Thursday), 17th (Tuesday) to 19th (Thursday)
    October 24th (Tue), 25th (Wed), 30th (Mon), 31st (Tue)
    November 6th (Monday) - 9th (Thursday), 13th (Monday)
    Closed hours:
    Every day from 21:00 to 5:00 the next morning
Image of date and time
Two-dimensional code image link to NEXCO EAST (Kanto construction regulations) twitter (external link)
  • In stormy weather, it will be postponed to the spare day.
  • We will inform you about the construction implementation decision on the construction implementation status page and Twitter around 17:00 on the day.

2. Detour

Please refer to the figure below for the detour.
The detour will take longer, so please leave plenty of time.

Customers using Expressway

  • Customers traveling on the outer ring road (inner loop) and using the Oizumi IC exit will flow out at the Wako IC, as indicated by the pink arrow, and use "Sasame-dori" or "Oizumigakuen-dori" to reach "Mejiro". Please take a detour to the street. In addition, it is possible to pass to the direction of Kan-Etsu Expressway (Out-bound line).
  • Customers using the outer ring road (outer loop) from the Oizumi IC entrance, please use "Sasame-dori" or "Oizumigakuen-dori" as indicated by the dark blue arrow, and enter from the Wako IC.
  • Customers using the Kanetsu Kan-Etsu Expressway (Out-bound line) direction from the Oizumi IC entrance, please use Kan-Etsu Expressway Nerima IC or Tokorozawa IC as indicated by the orange arrow.

People using Mejiro-dori

  • If you are going from Kitazono to Yahara on Mejiro-dori, please use Route 32-461 from Nerima main area road No. 58 to take a detour.
  • If you are using Mejiro-dori from the direction of Yahara to the direction of Kitazono, please use "Toei-dori", "Oizumi-kaido", and "Oizumi-gakuen-dori" to detour.

Detour diagram

Image of detour map

Large view

Image of Large view

[Reference: Required detour time]

<From Wako IC to Kitazono intersection>: Wako IC ⇒ Kawagoe Kaido ⇒ Oizumi Gakuen Dori ⇒ Kitazono intersection
Time required: about 20 minutes (approximately 15 minutes longer than when driving Expressway)

<From Wako IC to Yahara intersection>: Wako IC ⇒ Kawagoe Kaido ⇒ Sasame Dori ⇒ Yahara intersection
Time required: about 20 minutes (approximately 15 minutes longer than when driving Expressway)

<From Kitazono intersection to Nerima IC>: Kitazono intersection ⇒ Nerima main district road No. 58 ⇒ Nerima general district road No. 32-461 ⇒ Mejiro-dori ⇒ Sasame-dori ⇒ Kitahara-dori ⇒ Nerima IC
Time required about 16 minutes

<From Kitazono Intersection to Tokorozawa IC>: Kitazono Intersection ⇒ Oizumigakuen Dori ⇒ Kawagoe Highway ⇒ Urawa Tokorozawa Bypass ⇒ Tokorozawa IC
Time required about 32 minutes

3. Notice regarding construction status

We will inform you about the decision to implement the construction, the closing schedule, and the closing schedule after the construction is canceled on our website.

Two-dimensional code image link to the construction implementation notice regarding NEXCO EAST Oizumi IC nighttime closure

Four. Construction overview

Along with the construction of the Tokyo Outer Ring Road (Kanetsu-Tomei), construction work will be carried out on a bridge that crosses over Mejiro-dori. In this construction, the bridge girders assembled in advance in the construction site work area are passed over Mejiro-dori using a delivery device (hydraulic jack), moved to the piers, and then lowered to the specified position.
Since this construction will pass over Mejiro Dori and near Oizumi IC, which have heavy traffic, these roads will be closed during construction in consideration of safety. Therefore, in order to minimize inconvenience to customers, we will carry out construction work intensively and efficiently at night on weekdays when there is little traffic. We ask for your understanding and cooperation.

Installation image

Image image of erection image

Site situation photo

Image of site situation photo

Five. How to obtain traffic information

(1) Guidance by distribution / posting

  • Notice signs, posters and leaflets will be posted at toll booths and rest facilities nearby.
  • Post banners on overpasses on Expressway and pedestrian bridges on ordinary roads.

(2) Road traffic information that can be obtained before going out

(3) Road traffic information available while using the Expressway

  • Road information board
  • Highway radio (AM1620kHz)
    The highway radio section is indicated by signs on the Expressway.
  • Highway Information Terminal
    We will inform you of road information in an easy-to-understand manner by the monitor screens installed in SA / PA.
  • VICS
    You can get road traffic information with VICS-compatible car navigation and other on-board devices.
  • Information is also distributed on the official accounts of Twitter and LINE.
    [Twitter]
    "NEXCO EAST (Kanto)" (@e_nexco_kanto) real-time traffic information
    "NEXCO EAST (Kanto Construction Regulations)" (@e_nexco_kanto_k) Decision to implement construction regulations
    [LINE]
    "NEXCO EAST" (@e-nexco) Road closures and weather information
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