2019 January 9
Kanto Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism
East Japan Expressway Co., Ltd. Kanto Regional Head Office
Shuto Expressway Co., Ltd.

<Traffic conditions on the Expressway

• The traffic between Saitama and Chiba (Tohoku Expressway Expressway east Kanto Expressway) was via the city center, but about 80% of the traffic was converted to the outer ring road.
• Due to the effect of 4 lanes (2 locations) of the Metropolitan Expressway JCT, the traffic congestion loss time of the Metropolitan Expressway inside the central ring (including the central ring) is reduced by about 30%
• Save time by connecting Saitama and Chiba without going through the city center. At bus companies, the same number of drivers can increase the number of flights from 4 round trips / day to 6 round trips / day, contributing to improved productivity.

<Traffic conditions on general roads>

• Traffic volume on major general roads in Ichikawa / Matsudo city decreased by about 10% and traffic loss decreased by about 20%
• Maximum 40% reduction in transit time on the Ichikawa Matsudo Line, enabling comfortable driving
• Approximately 50% reduction in the number of sudden braking on the residential roads in Ichikawa City, improving safety

• The traffic between Saitama and Chiba (Tohoku Expressway ⇔ East Kanto Expressway) was via the city center (capital express), but about 80% of the traffic was converted to the outer ring road.
• With the opening of the Chiba section of the Outer Ring Road and the conversion of the Horikiri JCT-Kosuge JCT and the Itabashi JCT-Kumanocho JCT to four lanes, the traffic loss time for the Tokyo Metropolitan Expressway inside the central ring (including the central ring) will be reduced by about 30%.

• It connects Saitama and Chiba without going through the center of Tokyo, shortening the time required and improving convenience.
• For this reason, companies operating buses from Saitama to Chiba will be able to increase the number of flights (4 round trips / day → 6 round trips / day) with the same number of drivers by shortening the required time (125 minutes → 90 minutes). It contributes to improving the productivity of companies.

• At 43 intersections of major general roads in Ichikawa / Matsudo city, traffic volume decreased by about 10%.
• As a result of the reduction in traffic volume and improvement in travel speed, the time lost due to road congestion is reduced by about 20%.

• The transit time on the north-south general roads in Ichikawa / Matsudo city has been shortened, improving the driving environment in the area.
• In particular, the maximum transit time on the Ichikawa Matsudo Line is about 40% shorter.
• The maximum transit time between National Road No. 6 and Keiyo Road Baraki IC is about 30% shorter.

• Life road in Ichikawa city ^* At 10 intersections, the traffic volume decreased by about 30% (about 14,000 vehicles / day), and the environment of the residential roads improved.
• In addition, the number of sudden braking on community roads is reduced by about 50%, improving safety.