[E8] Between Asahi IC and Oyashirazu IC on the Hokuriku Expressway
Notice of nighttime closure on Thursday, October 28

~通行止め終了後、昼夜連続車線規制に切り替わります~

  • Corporate Top
  • Press Room
  • Press Release Niigata office
  • [E8] Hokuriku Expressway Asahi IC-Oyashirazu IC Notice of nighttime closure on Thursday, October 28

The latest regulatory information isDraTraPlease see.

PDF version [PDF: 988KB]

Image image of Expressway renewal project logo

September 28, 3rd year of Reiwa
East Nippon Expressway Co., Ltd.
Niigata Regional Head Office

 NEXCO東日本新潟支社(新潟市中央区)は、E8北陸自動車道 朝日あさひインターチェンジ(IC)から親不知おやしらずIC間において、トンネルのリニューアル工事(インバート設置工事)を実施しています。
 本工事に伴い、上り線(富山方面)に上下線を集約し、片側1車線の対面通行となる終日対面通行規制を行っていましたが、10月28日(木)に上下線の夜間通行止めを行い、対面通行規制を終了します。その後、11月30日(火)まで、昼夜連続車線規制を行います。なお、10月28日(木)の夜間通行止めの際は、一般国道8号への迂回をお願いします。
 お客さまには大変ご迷惑をおかけいたしますが、引き続きご理解とご協力をお願いいたします。

1. Construction overview

Route Hokuriku Expressway
section
  1. Asahi IC-Oyashirazu IC up and down line
  2. Asahi IC-Ecchusakai Parking Area (PA) Up and Down Line
Implementation period
  1. Closed at night
    Thursday, October 28, 3rd year of Reiwa 1 night (preliminary day: Friday, October 29)
  2. Day and night continuous lane regulation
    Reiwa 3rd October 29th (Friday) -November 30th (Tuesday)
    * Saturdays, Sundays, and holidays are also held.
Time
  1. 20:00 - 6:00
  2. 終日(24時間)※10月29日 6:00~11月30日 20:00(予定)
Remarks
  • It may be changed depending on the progress of construction and the weather.
  • For the latest regulatory status, please see Attachment-1 [PDF: 78KB], such as services that provide road traffic conditions in NEXCO EAST
Photo of invert installation work 1
Photo of invert installation work 2
Photo of invert installation work 3

Invert installation work

2. Restricted sections and detours

Hokuriku Expressway Asahi IC-Oyashirazu IC will be closed at night.
After the road closure is lifted, continuous lane restrictions will be enforced day and night between Asahi IC and Echichukai PA.
Please make a detour to National Highway No. 8.

Image of regulated section and detour
<Time required> Expressway use Use of National Highway 8
Asahi IC-Clairless IC About 14 minutes About 23 minutes

3. 3. Regulation period

 10月28日(木)に夜間通行止めを実施します。29日(金)は予備日です。
 通行止め終了後は、11月30日(火)まで、昼夜連続車線規制を実施します。

Image of regulation period

Four. Outline of construction regulations

From October 28th (Thursday) after the nighttime closure is lifted, day and night continuous lane restrictions will be enforced until November 30th (Tuesday). We also carry out weekends and holidays.

■昼夜連続規制(10月29日~11月20日)

Image image of day and night continuous regulation (October 29-November 20)

■昼夜連続規制(11月20日~11月30日)

Image image of day and night continuous regulation (November 20th to November 30th)

Five. Overview of invert installation work

Invert construction is Expressway renewal project, and by installing an invert, the tunnel is closed to increase the yield strength, prevent deformation such as uplift and subsidence, and improve stability.

Installation of invert (lining part finished in reverse arch on the bottom of the tunnel)

No invert

Image without invert

Installation of invert

Image of installation of Invert

6. Reference material

About transfer fee adjustment due to nighttime closure [PDF: 168KB]

Image link (external link) to download page of Adobe Acrobat Reader

To view the PDF file, you need the Adobe Systems plug-in software "Acrobat Reader (Japanese version)". If you do not have​​​ Download from here (free)Please use it.