October 16, 2015

• Since the Kan-Etsu Expressway is connected from the Tomei Expressway, many cars use the Ken-O Road Expressway, which can avoid traffic congestion in the city center and shorten the time
• In the future, Tohoku Expressway by leading up to, Ken-O Road expected to further use of.

• By connecting the Tomei Expressway and the Kan-Etsu Expressway Expressway, the number of cars visiting the Gunma/Saitama area to the Mt. Fuji/Hakone area increased by about 50%.
• If Ken-O Road is connected to the East Kanto Expressway in the future, Expressway will connect tourist destinations that attract tourists to Japan such as Narita Airport and World Heritage Sites near the Tokyo metropolitan area, and further promotion of inbound tourism is expected.

• Ken-O Road, private investment is concentrated, such as the location of logistics bases and factories, etc.
• Companies located along the Ken-O Road support people's livelihoods by utilizing the convenience of transportation, which enables them to move over a wide area without going through the city center, to quickly and cheaply and reliably transport products and materials needed for daily life.

• Even if there is a traffic block at Expressway in the radial direction such as Tomei Expressway, by using Ken-O Road as a detour to avoid traffic congestion on general roads

• Greatly improved traffic environment on general roads around the Ken-O Road Expressway
  ・The number of large vehicles has decreased from the roads used for loopholes
  ・Improved punctuality of route buses due to reduced traffic volume in the morning and evening

• In recent years, many sections of the Tokyo metropolitan area 3 ring road have opened
  ・Greatly improved Ken-O Road
  Maintenance rate: Approx. 40% (end of H24) ⇒ Approx. 79% (planned for end of October 2015)
  ・Central loop line is fully opened in March 2015

• Approximately 50% reduction in traffic congestion loss time in central Tokyo due to the opening of all central loop lines (H25 → H27)
• Congestion loss time around the city center is reduced by about 20% (H25 → H27)
• Congestion loss time in the suburbs remains almost unchanged (H25→H27)

• Due to the opening of the central loop line, the speed in the city center will increase by about 10% (H25→H27)
• Speed around the city center increased by about 3% (H25 → H27)
• Suburban speed almost unchanged (H25→H27)

• Between Kan-etsu ~ Tomei Ken-O Road opened (H26.6), the whole line opening of the central annular line (H27.3), the general road near opening section, speed is increased
  ⇒Take time from Ikebukuro (Kumano-cho intersection) to Shinagawa (Kita-Shinagawa intersection) of Loop Line 6 is reduced by 20 minutes (61 minutes → 41 minutes)

• Traffic volume increases with the development of the Ken-O Road