Hangzhou Ring Expressway
杭州绕城高速公路
Hangzhou Ring Expressway in March 2017
Route information
Length	123 km (76 mi)
Location
Country	China
Highway system
National Trunk Highway System Primary Auxiliary National Highways Transport in China
← G2503 → G2511

The Hangzhou Ring Expressway (Chinese: 杭州绕城高速公路), designated as G2504, is 123-kilometre-long expressway (76 mi)^[1] in Hangzhou, Zhejiang, China.