From there it travels east through Sumida and Kōtō parallel to National Route 14 and the Sōbu Line before crossing over the Arakawa River in Edogawa.

The expressway was extensively rehabilitated in November 1991 under the project name "Route 7 Refresh Plan".

[3] On 16 February 2015, the expressway was temporarily closed in Edogawa due to a fire that broke out during construction work on the route.

[4] In preparation for increased congestion during the 2020 Summer Olympics, new traffic-control systems were installed along many expressways in the Tokyo area.

Part of the project to add the junction included upgrades to the already extant interchange at Komatsugawa.