[E5A] Sasson Expressway Asari IC⇔ Teine between the IC (both directions) Zenibako Notice of all-day face-to-face traffic regulation by IC renovation

NEXCO EAST Hokkaido Regional Head Office (Atsubetsu Ward, Sapporo City) E5A Sasson Expressway We are carrying out renovation work to use Expressway more safely and comfortably at the Zenkou Interchange (IC).

Practice of renovation, Expressway drilling, new order to perform the work of embedding the Hakomizo, in Asari Interchange (IC) ⇔ Teine IC (both directions), July 26 April 16 (Monday) ( Until Thursday, traffic control will be enforced all day long.

Due to the day-to-day traffic restrictions that reduce the number of lanes that can be driven, it is expected that there will be a traffic jam of approximately 5 km during Golden Week, which will take approximately 10 minutes, and congestion on the surrounding general roads.

We apologize for the inconvenience, but please be sure to use public transportation and make sure you have enough time when you go out.

Traffic information will be posted on websites such as DraTra during the construction period, so please refer to it when using the Expressway.

We ask for your understanding and cooperation as it is necessary to use the Expressway safely and comfortably.

1 construction section

　E5A Sasson Expressway Asari IC and Teine IC (both directions)

2 Traffic restriction period and traffic congestion forecast

(1) All-day face-to-face traffic regulation period April 16, 2018 (Monday) to July 26, 2018 (Thursday) (102 days)

• Face-to-face traffic is restricted all day on Saturdays, Sundays, and holidays.
• During the Golden Week period, congestion is expected from May 3 (Thursday) to May 6 (Sunday). It may be crowded on Saturdays, Sundays, and holidays.
• The construction period may change depending on the weather and work progress.

(2) Congestion prediction
During the construction period, traffic congestion is predicted to occur during Golden Week in May. During the first half of the four consecutive holidays, it is expected that there will be a maximum of about 5km of traffic in the direction of Otaru (In-bound line) from 8:00 to 13:00, and it will take about 10 minutes to pass this traffic.

3 Traffic restrictions

Upon construction, over approximately 3 km, Reduce the section of each two lanes of up and down lanes to one lane and consolidate into Out-bound lanes and enforce face-to-face traffic control all day To do. For the first few days at the start of the construction period, all-day traffic lane restrictions will be applied to the up and down lines as a preparatory step to switch to two-way traffic restrictions.

4 Construction overview

Scheduled within 2018 E5A The opening of the Shirishi Shiribeshi Expressway Yoichi IC-Otaru JCT is expected to increase the traffic volume of the Zenikoh IC. At Zenisako IC, we are currently working on the improvement work from the IC type called "Flat Y-type", which requires a temporary stop, to the "Trumpet type", which does not require a temporary stop due to an overpass. Once completed, there is no need to temporarily stop when entering or exiting the Zeno IC to the main line, improving safety and comfort.

In this improvement work, a box will be newly buried under the main Expressway but first, the Expressway direction of Otaru (In-bound), which is about half of the Expressway will be excavated and the box will be buried, and then the direction of Sapporo (Out-bound One of the two lanes (line) will be transferred to Otaru direction, so that the traffic will be face-to-face instead of being completely closed to minimize the impact on traffic and carry out the construction.

In addition, from the end of August, we will continue to transfer one of the two lanes in the direction of Otaru to the direction of Sapporo, and then carry out the work to bury the box dock in the direction of Sapporo (Out-bound line).

Main work contents

We excavate the main line of the Expressway, assemble the factory-made box, install and backfill. By adopting a factory-made box, we will shorten the construction period and the traffic regulation period.

5 Requests for use

• The one-lane section on one side has a narrow shoulder and a large lane shift will occur in front of it, so when traveling, observe the regulation speed, ensure the inter-vehicle distance, and follow the local information signs etc.
• We will call for caution when driving on Expressway information boards. Before riding, please check the above information before riding safely.
• Please check the latest traffic regulations and traffic jam information before going out.

6 Future traffic regulation schedule

　E5A Sasson Expressway, in addition to the construction of Hakodate in the direction of Sapporo (Out-bound line) of this construction within 2018, as a Expressway renewal project, the floor plate of Onohashi bridge in the direction of Sapporo (Out-bound line) continues from last year. We plan to carry out work that involves long-term traffic restrictions, such as replacement work.
Details will be announced once they are finalized.

7 How to Obtain Road Traffic Information

(1) Road traffic information available before going out(2) Road traffic information available during driving