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How many kilometers is the Fourth Ring Road in Zhengzhou?

Zhengzhou Fourth Ring Road has a total length of 93km, which consists of the West Fourth Ring Road, the South Fourth Ring Road, the East Fourth Ring Road (formerly the Four Ports Linkage Avenue) and the Great Ring Road, with a total length of about 93km and a planned control width of 180m.

West Fourth Ring Road, South Fourth Ring Road and Dahe Road are planned as "main road elevated+ground auxiliary road" expressway, and East Fourth Ring Road is planned as ground expressway. Overpass bridges are set at main intersections, and there are no traffic lights throughout. West Fourth Ring Road, South Fourth Ring Road and Dahe Road are planned as "main road elevated+ground auxiliary road" expressways, with 8 lanes of elevated two-way roads and 8 lanes of ground two-way roads, and the design speed can reach 80km/h; East Fourth Ring Road is planned as ground expressway, with main road 10 lane and 4 lanes of auxiliary roads on both sides. At the intersection of the East Fourth Ring Road and some main roads, an overpass will be designed and built to realize rapid passage.