The Hangzhou–Haining Intercity Rail (Chinese: 杭海城际, abbreviation: HHCJ), also known as the Hanghai line, is a commuter rail line connected to, but operated independently of the Hangzhou Metro that connects the cities Hangzhou and Haining in Zhejiang, China.

[6] In February 2013, the Zhejiang Provincial Development and Reform Commission submitted the "Recent Construction Plan for the Intercity Railway in the Metropolitan Area of Zhejiang Province" to the National Development and Reform Commission, the plan includes the Hangzhou-Haining Intercity Railway.

[8] construction started on the first section of the Hangzhou–Haining intercity railway project between Chang'an to Zhouwangmiao Stations on 15 December 2016.

A trip along the entire line from Linpingnan Railway Station to International Campus, ZJU costs ¥9.

The line then rises back to a viaduct and reaches the town of Chang'an and makes several stops there.

Passengers’ identity documents may be checked by the police when passing through the transfer corridor from the Hangzhou–Haining Intercity Rail to the Hangzhou Metro.