[E17] Kan-Etsu Expressway Showa IC / Shibukawa Ikaho IC Notice of partial nighttime ramp closure

~ We will repair damaged pavement ~

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  • [E17] Kan-Etsu Expressway Showa IC / Shibukawa Ikaho IC Notice of partial nighttime ramp closure

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August 30, 3rd year of Reiwa
East Nippon Expressway Co., Ltd.
Takasaki Management Office

NEXCO EAST in Takasaki management office (Takasaki, Gunma Prefecture), E17 Kan-Etsu Expressway (hereinafter referred to as "Kan-Etsu Expressway from") Showa Interchange (hereinafter referred to as "IC") In-bound the entrance ramp, and the line (Tokyo area) Kan-Etsu Expressway national highway from Shibukawa Ikaho IC We will close the ramp at night to repair the pavement at the exit ramp to No. 17 (toward Maebashi).
We apologize for the inconvenience caused to our customers, but we ask for your understanding and cooperation so that you will have time to spare when you go out.

1. 1. Closing location and date and time

  1. Closed point
  2. Road name Closed point period
    E17Kan-Etsu Expressway ① Showa IC
    Kan-Etsu Expressway In-bound line (toward Tokyo)
    September 13th (Monday) and 14th (Tuesday)
    From 20:00 to 6:00 the next morning each day
    ② Shibukawa Ikaho IC
    Exit ramp to National Highway No. 17 In-bound Line (toward Maebashi)
    September 27th (Monday) -29th (Wednesday)
    From 20:00 to 6:00 the next morning each day
    Image of closed area
    • Attached to each line E17 The indications such as indicate the route number (numbering) of Expressway.
  3. Date and time
① Implementation date:
September 13th (Monday) and 14th (Tuesday), 3rd year of Reiwa
From 20:00 each day to 6:00 the next morning
Preparation day:
September 15th (Wednesday) and 16th (Thursday), 3rd year of Reiwa
From 20:00 each day to 6:00 the next morning
September 21st (Tuesday) and 22nd (Wednesday), 3rd year of Reiwa
From 20:00 each day to 6:00 the next morning
② Implementation date:
September 27th (Monday) -29th (Wednesday), 3rd year of Reiwa
From 20:00 each day to 6:00 the next morning
Preparation day:
Thursday, September 30, 3rd year of Reiwa
From 20:00 each day to 6:00 the next morning
October 4th (Monday) to 7th (Thursday), 3rd year of Reiwa
From 20:00 each day to 6:00 the next morning
Image of closing date
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.
  • Construction decision will be announced on Twitter, etc. around 17:00 on the day.

2. Detour

① When using the Kan-Etsu Expressway (In-bound line) from Showa IC to Tokyo

(A) When using from the direction of Mt. Akagi

 Pink arrow As shown, go straight on Prefectural Road 65 from "Showa IC" and turn left at the traffic light ① at the end ⇒ turn right at the "Morishita" intersection ⇒ turn left at the first traffic light ② ⇒ turn left at the "Iwamotocho" intersection ⇒ Maebashi on National Road 17 Go straight in the direction ⇒ Turn left at the "Ikuma" intersection ⇒ Follow Prefectural Road 70, cross the Tone River and turn left at the first traffic light ③ ⇒ Go straight and turn right at the Akagi IC entrance ⇒ Inflow to "Akagi IC"
If you make a detour as shown in the figure below, it will take about 22 minutes (usually about 6 minutes).

(B) When using from the direction of National Highway No. 17 (The detour is marked by a green sign)

 Orange arrow As you can see, turn right at the crossroads in front of "Michi-no-Eki Agurimushowa" and go straight ⇒ turn right at the end and go straight ⇒ turn right at the first crossroad ⇒ turn left at "Showa IC" ⇒ as shown in (A), National Highway No. 17 To the direction
In the case of (B), it is expected that the detour will take a total of about 27 minutes, including the time required for (A) (about 22 minutes).

Detour ① Image when using the Kan-Etsu Expressway (In-bound line) from Showa IC toward Tokyo

② When using the Kan-Etsu Expressway (Shibukawa-Ikaho IC) toward Maebashi on In-bound

 Light blue arrow As you can see, get off the "Shibukawa Ikaho IC" and proceed toward "Shibukawa" ⇒ Go straight on National Highway No. 17 ⇒ Turn at the "Nakamura" intersection ⇒ Go straight on National Highway No. 17 ⇒ Go toward Maebashi
If you bypass the Shibukawa Ikaho IC as shown in the figure below, it will take about 5 minutes.

Detour ② Image image when using the direction of Maebashi on National Highway No. 17 (In-bound Kan-Etsu Expressway

3. Construction overview

Kan-Etsu Expressway Showa IC to Tokyo and from the Shibukawa Ikaho IC to the exit ramp toward Maebashi on National Highway No. 17, pavement repair work will be carried out.
Since the section where this work is to be carried out is one lane and cannot be carried out under normal lane regulations, it is necessary to close the lamp and carry out the work. Therefore, in order to avoid inconvenience to customers as much as possible, we will close the lamps on weekday nights when traffic is light and carry out construction intensively and efficiently.
Expressway safely and comfortably, so we ask for your understanding and cooperation.

Image of pavement damage situation
Image of pavement repair work work situation

Four. 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.
  • A banner will be posted on the overpass on the Expressway.

(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 Twitter account.
    " NEXCO EAST (Kanto)" (@e_nexco_kanto) Real-time traffic information
    " NEXCO EAST (Kanto construction regulations)" (@e_nexco_kanto_k) Judgment regarding implementation of construction regulations
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