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[E19] Nagano Expressway Out-bound line Omi IC ⇒ Koshoku IC
Notice of day and night continuous lane regulation due to tunnel renewal work

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  • [E19] Nagano Expressway Out-bound line Omi IC ⇒ Koshoku IC Notice of day and night continuous lane regulation due to tunnel renewal work
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The latest regulatory information isDraTraPlease see.

PDF version [PDF: 396KB]

Expressway renewal project logo image image 1

October 18, 3rd year of Reiwa
East Nippon Expressway Co., Ltd.
Nagano Construction Office

NEXCO EAST At Nagano Management Office (Nagano City, Nagano Prefecture), E19 Nagano Expressway (hereinafter "Nagano Michi") Out-bound Line Asami Interchange (hereinafter "IC") In order to reinforce the tunnel in some sections of the IC, lane restrictions will be enforced continuously during the day and night on weekdays.
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. Restricted section and date and time

  1. Nagano Out-bound Omi IC ⇒ Koshoku IC
    2. Image of restricted section
  2. Date and time
    Implementation date:
    Reiwa 3rd November 1st (Monday) -4th (Thursday), 8th (Monday) -11th (Thursday)
    Preparation day:
    November 5th (Fri), 12th (Fri), 3rd year of Reiwa * Excluding Saturdays and Sundays
    • Regulations will be enforced day and night, starting at 7:00 on Monday ⇒ will be lifted at 21:00 on Thursday.
    • During the regulation period, it is expected that the time required will be longer due to congestion, so please leave plenty of time.
    • The regulation period may change depending on the progress of construction work.
Image of date and time

: Day and night continuous lane regulation implementation date
: Day and night continuous lane regulation preliminary day
We will inform you of the regulatory plan for the 4th year of Reiwa.

3. Construction overview

Reinforcement work will be carried out at the Ipponmatsu Tunnel between the Nagano Out-bound Omi IC and Koshoku IC to prevent deformation of the tunnel wall surface.
These works will be carried out continuously during the day and night while lane restrictions are being enforced. This work is necessary to use the Expressway safely and comfortably, so we ask for your understanding and cooperation.

[Request when using during construction]

  1. If you use this section, please leave plenty of time.
  2. There are construction vehicles coming and going around the construction site, so please be careful ahead.
  3. When driving in a regulated section, please observe the regulated speed, secure the distance between vehicles, and be careful about rear-end collisions. Also, please change lanes as soon as possible according to the signboard before and after the restricted section.
  4. During the construction period, please check the latest regulatory information and traffic information on road information boards, SA / PA digital signage, and DraTra

■ Regulatory status
The maximum speed in the lane restricted section is 50km / h. When using, please follow the local signs and drive safely.

Image of driving lane regulation
Image of overtaking lane regulation

■ Main contents of construction (placement of lock bolts)
Stability is improved by driving lock bolts to suppress the force on the part where excessive force is applied from the side of the tunnel.

Image image before construction
Image image after construction

■ Work image (placement of lock bolt)

Photograph of work image (placement of lock bolt)

Four. How to obtain traffic information

(1) Guidance by distribution / posting

  • Information by digital signage will be posted on the surrounding SA / PA.

(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

Five. Reference materials

Day and night continuous lane regulation <Location map> [PDF: 217KB]

Expressway renewal project logo image image 2

Expressway renewal project
Now, safety and security are passed on to the next generation.
NEXCO EAST aims to provide you with safety and security.
We will work on the renewal and repair business of Expressway.

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