NEXCO EAST Utsunomiya Construction Office (Utsunomiya City, Tochigi Prefecture, Director: Manabu Teshirogi) installed a detour road on the Tohoku Expressway due to the construction of the Iwafune Junction (tentative name) that connects the Kita-Kanto Expressway and the Tohoku Expressway I will.

In addition, due to the construction work to switch to the detour road, we will inform you that the up and down line between the Sano Fujioka IC and Tochigi IC will be restricted day and night.

1 Outline of the detour road to be installed this time

1. Overview
   Location: Tohoku Expressway Sano Fujioka IC-Tochigi IC near Kitakan Expressway connection planned site
   Number of lanes: 3 lanes on each side
   Regulated speed: 100km/hour
   Installation period: September 2007 to August 2008 (about 1 year)
   • The lane width, number of lanes, and speed limit are the same as those of the current Tohoku Expressway.
2. Construction details during the detour period
   We will construct a structure (bridge, Hakobuchi) to cross the current Tohoku Expressway.
   reference: Detour outline [PDF: 196KB]

2 Traffic regulations associated with switching to detour roads

Due to the construction of the detour road on the Tohoku Expressway that you are currently using, the lane restrictions will be set for each of the up and down lines as follows.

1. Date and time
   In-bound: September 3, 2007 (Monday) 16:00 to September 6, 2007 (Thursday) 18:00
   Out-bound line: Monday, September 10, 2007 16:00 to Thursday, September 13, 2007 18:00
   Also, in case of stormy weather, it will be postponed at the same time on the spare day.
   Reserve day: Tuesday, September 18, 2007 to Thursday, September 20, 2007
2. Lane regulation section
   Part of the section between the Sano Fujioka interchange and the Tochigi interchange (about 5km)
3. How to inform about traffic regulation
   1. Information signs will be installed in service areas and parking areas.
   2. Post banners on overpass bridges on Expressway.
   3. Displays that traffic restrictions are being applied to the Expressway information signs.
   4. Broadcast on highway radio (1620kHz). However, we cannot inform you if there is other priority traffic information.
   5. 当社ホームページにこの記者発表資料を掲載します。（URL：http://www.e-nexco.co.jp/）

Reference material

Overview of the Kita-Kanto Expressway (Tochigi Prefecture) [PDF: 225KB]