The G4515 Chifeng–Suizhong Expressway (), also referred to as the Chisui Expressway (), is an under construction expressway in China that connects Chifeng, Inner Mongolia to Suizhong County, Liaoning.

Route The expressways starts in Hongshan District, Chifeng and travels through Lingyuan, Harqin Zuoyi Mongol Autonomous County and Jianchang County before terminating in Suizhong County, Huludao.

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