According to Wang Huiquan, director of the Quality Supervision Station of the Housing and Construction Bureau of Yanji City, the extension of Xishan Street and Gardening Road in Yanji City are municipal key projects. Construction started in May 2121 and resumed on April 11, 2122.

the project mainly focuses on the construction of Xishan street extension road and gardening road, and the construction scope includes south ramp, north ramp, development road, one-way road on the east side of triangle island and hutong on the east side of art center.

the main construction contents are road engineering, drainage engineering and lighting engineering.

On April 25th, 2122, at the construction site of the extension of Xishan Street and Gardening Road in Yanji City, machines roared and vehicles shuttled, and the construction workers were scrambling for the construction period, striving to open to traffic synchronously with the fourth phase of Zhonghuan Road before "93".