G9221 Hangzhou–Ningbo Expressway

The Hangzhou−Ningbo Expressway, commonly referred to as the Hangyong Expressway , is an expressway in Zhejiang, China which links from Hangzhou, through Shaoxing to Ningbo. Its length is 161 km. In the National Trunk Highway System (NTHS) in China, the number of this highway is G92 21 . It was planned in Zhejiang provincial expressway system as S17 west of Andong junction, and S18 east of Fuhai junction, before introducing in NTHS.

Construction of G9221 started on 26 June 2017. As of January 2024, Hangzhou & Shaoxing sections, as well as phase 1 of Ningbo section are completed and opened for traffic, the rest (phase 2 and 3) of Ningbo section will be completed in 2026~2027. There are plans to promote the maximum speed limit of G9221 to 150 km/h once completed.

List of exits and service areas
{| class="plainrowheaders wikitable" !scope=col|District/County !scope=col|Location !scope=col|km !scope=col|Junction !scope=col|Destinations !scope=col|Notes
 * rowspan="7"|Xiaoshan District, Hangzhou
 * Nanyang
 * Hongshiwuxian road China County Road X135.svg Kanhong road (under construction)
 * Once ramps to Kanhong road completed, it will provide traffic to Hangzhou Airport
 * Hezhuang
 * Hongshiwuxian road Hezhuang road
 * eastbond entrance and westbond exit
 * Jingjiang
 * Hongshiwuxian road S. Qingliu road
 * westbond entrance and eastbond exit Near Yongsheng road of and, Xinzhen road of
 * Xieyi
 * Hongshiwuxian road
 * A junction connect to an unknown-name road is construction
 * Dangwan
 * Hongshiwuxian road Sanyuan road
 * Dangwan Trunk
 * toll booth
 * Dangwan JCT
 * Zhejiang Expwy S9 sign no name.svg Sutai Expressway – towards Jiaxing on the north, and Linhai on the south
 * Qiantang District, Hangzhou
 * Linjiangnan
 * Xinshiji Avenue
 * Xiaoshan District, Hangzhou
 * Yinong
 * Service area
 * Keqiao District, Shaoxing
 * Ma'an
 * Xindongxian road Xingbin road Kehai avenue
 * rowspan="2"|Yuecheng District, Shaoxing
 * Shaoxing North
 * N. Yuedong road
 * Binhaixincheng JCT
 * – towards Jiaxing on the north, and Sanmen County on the south
 * rowspan="3"|Shangyu District, Shaoxing
 * Songxia
 * Zhenxing avenue
 * Gaibei
 * bgcolor="ffdddd"|
 * bgcolor="ffdddd"|Zhenxing avenue
 * bgcolor="ffdddd"|section east of Gaibei under construction
 * (unknown)
 * bgcolor="ffdead"|Service area
 * bgcolor="ffdead"|—
 * bgcolor="ffdead"|
 * rowspan="3"|Yuyao, Ningbo
 * Meiyuan
 * bgcolor="ffdead"|
 * bgcolor="ffdead"|
 * bgcolor="ffdead"|
 * Simen
 * bgcolor="ffdead"|
 * bgcolor="ffdead"|Gubei road
 * bgcolor="ffdead"|
 * Xiaocaoe JCT
 * bgcolor="ffdddd"|
 * bgcolor="ffdddd"|Zhejiang Expwy S8 sign no name.svg Ciyu Expressway Taosheng road – towards southern of Yuyao Kexing road
 * bgcolor="ffdddd"|section west of Xiaocaoe JCT under construction
 * rowspan="7"|Cixi, Ningbo
 * Andongxi
 * Zhouan highway
 * Andong JCT / W. Hangzhou Bay New Zone
 * bgcolor="ddffdd"|
 * bgcolor="ddffdd"| – towards Shanghai via Hangzhou Bay Bridge (Binhai 1st road) Hangzhouwan avenue
 * bgcolor="ddffdd"|Start of G15 concurrent section, and a very short concurrent section with G228 within the junction
 * Cixi (E. Hangzhou Bay New Zone)
 * bgcolor="ddffdd"|
 * bgcolor="ddffdd"|E. Third ring road
 * bgcolor="ddffdd"|
 * Yanglong
 * bgcolor="ffdead"|
 * bgcolor="ffdead"|
 * bgcolor="ffdead"|
 * Fuhai JCT
 * bgcolor="ddffdd"|
 * bgcolor="ddffdd"| – towards northwest of Ningbo urban area
 * bgcolor="ddffdd"|End of G15 concurrent section, westbond entrance and eastbond exit
 * Cidong
 * N. Cidong avenue Fangsong road
 * Longshan
 * S. Cidong avenue Zhenlong 3rd road
 * rowspan="3"|Zhenhai District, Ningbo
 * Xiepu
 * N. Wanghai road, Niluoshan road
 * Binhai JCT
 * – towards northeast of Ningbo urban area on the southwest, and Zhoushan on the northeast
 * Zhaobaoshan
 * bgcolor="ffdddd"|
 * bgcolor="ffdddd"|Weihai road, Haitian road
 * bgcolor="ffdddd"|de facto east termini until 2027
 * rowspan="3"|Beilun District, Ningbo
 * Xiapu JCT
 * bgcolor="ffdead"|
 * bgcolor="ffdead"|Zhejiang Expwy S20 sign no name.svg Chuanshanshugang Expressway – towards east of Ningbo urban area on the west, and Beilun port on the east
 * bgcolor="ffdead"|
 * Chunxiao JCT
 * bgcolor="ffdead"|
 * bgcolor="ffdead"|Xiangshanwanshugang Expressway – towards Tangxi
 * bgcolor="ffdead"|
 * Meishan Port
 * bgcolor="ffdead"|
 * bgcolor="ffdead"|Yantian avenue
 * bgcolor="ffdead"|
 * bgcolor="ffdead"|
 * Simen
 * bgcolor="ffdead"|
 * bgcolor="ffdead"|Gubei road
 * bgcolor="ffdead"|
 * Xiaocaoe JCT
 * bgcolor="ffdddd"|
 * bgcolor="ffdddd"|Zhejiang Expwy S8 sign no name.svg Ciyu Expressway Taosheng road – towards southern of Yuyao Kexing road
 * bgcolor="ffdddd"|section west of Xiaocaoe JCT under construction
 * rowspan="7"|Cixi, Ningbo
 * Andongxi
 * Zhouan highway
 * Andong JCT / W. Hangzhou Bay New Zone
 * bgcolor="ddffdd"|
 * bgcolor="ddffdd"| – towards Shanghai via Hangzhou Bay Bridge (Binhai 1st road) Hangzhouwan avenue
 * bgcolor="ddffdd"|Start of G15 concurrent section, and a very short concurrent section with G228 within the junction
 * Cixi (E. Hangzhou Bay New Zone)
 * bgcolor="ddffdd"|
 * bgcolor="ddffdd"|E. Third ring road
 * bgcolor="ddffdd"|
 * Yanglong
 * bgcolor="ffdead"|
 * bgcolor="ffdead"|
 * bgcolor="ffdead"|
 * Fuhai JCT
 * bgcolor="ddffdd"|
 * bgcolor="ddffdd"| – towards northwest of Ningbo urban area
 * bgcolor="ddffdd"|End of G15 concurrent section, westbond entrance and eastbond exit
 * Cidong
 * N. Cidong avenue Fangsong road
 * Longshan
 * S. Cidong avenue Zhenlong 3rd road
 * rowspan="3"|Zhenhai District, Ningbo
 * Xiepu
 * N. Wanghai road, Niluoshan road
 * Binhai JCT
 * – towards northeast of Ningbo urban area on the southwest, and Zhoushan on the northeast
 * Zhaobaoshan
 * bgcolor="ffdddd"|
 * bgcolor="ffdddd"|Weihai road, Haitian road
 * bgcolor="ffdddd"|de facto east termini until 2027
 * rowspan="3"|Beilun District, Ningbo
 * Xiapu JCT
 * bgcolor="ffdead"|
 * bgcolor="ffdead"|Zhejiang Expwy S20 sign no name.svg Chuanshanshugang Expressway – towards east of Ningbo urban area on the west, and Beilun port on the east
 * bgcolor="ffdead"|
 * Chunxiao JCT
 * bgcolor="ffdead"|
 * bgcolor="ffdead"|Xiangshanwanshugang Expressway – towards Tangxi
 * bgcolor="ffdead"|
 * Meishan Port
 * bgcolor="ffdead"|
 * bgcolor="ffdead"|Yantian avenue
 * bgcolor="ffdead"|
 * S. Cidong avenue Zhenlong 3rd road
 * rowspan="3"|Zhenhai District, Ningbo
 * Xiepu
 * N. Wanghai road, Niluoshan road
 * Binhai JCT
 * – towards northeast of Ningbo urban area on the southwest, and Zhoushan on the northeast
 * Zhaobaoshan
 * bgcolor="ffdddd"|
 * bgcolor="ffdddd"|Weihai road, Haitian road
 * bgcolor="ffdddd"|de facto east termini until 2027
 * rowspan="3"|Beilun District, Ningbo
 * Xiapu JCT
 * bgcolor="ffdead"|
 * bgcolor="ffdead"|Zhejiang Expwy S20 sign no name.svg Chuanshanshugang Expressway – towards east of Ningbo urban area on the west, and Beilun port on the east
 * bgcolor="ffdead"|
 * Chunxiao JCT
 * bgcolor="ffdead"|
 * bgcolor="ffdead"|Xiangshanwanshugang Expressway – towards Tangxi
 * bgcolor="ffdead"|
 * Meishan Port
 * bgcolor="ffdead"|
 * bgcolor="ffdead"|Yantian avenue
 * bgcolor="ffdead"|
 * Xiapu JCT
 * bgcolor="ffdead"|
 * bgcolor="ffdead"|Zhejiang Expwy S20 sign no name.svg Chuanshanshugang Expressway – towards east of Ningbo urban area on the west, and Beilun port on the east
 * bgcolor="ffdead"|
 * Chunxiao JCT
 * bgcolor="ffdead"|
 * bgcolor="ffdead"|Xiangshanwanshugang Expressway – towards Tangxi
 * bgcolor="ffdead"|
 * Meishan Port
 * bgcolor="ffdead"|
 * bgcolor="ffdead"|Yantian avenue
 * bgcolor="ffdead"|
 * Meishan Port
 * bgcolor="ffdead"|
 * bgcolor="ffdead"|Yantian avenue
 * bgcolor="ffdead"|
 * bgcolor="ffdead"|