Chengjiao line

Chengjiao line
Chengjiao line
	Chengjiao
	A train of Zhengzhou Metro running on Chengjiao line
Overview
Other name(s)	Line 9; Suburban line
Status	Operational
Locale	Zhengzhou, Henan, China
Termini	Nansihuan (through service Jiahe); Zhengzhou Hangkonggang Railway Station;
Stations	19 (18 in operation)
Service
Type	Rapid transit
System	Zhengzhou Metro
Operator(s)	Zhengzhou Metro Group Corporation
Depot(s)	Mengzhuang Depot
History
Opened	12 January 2017
Technical
Line length	40.84 km (25.38 mi)
Number of tracks	2
Character	Underground and elevated
Track gauge	1,435 mm (4 ft 8+1⁄2 in)
Route map
Route map
	to West Kowloon
	to Beijing West
	to Guangzhou
	to Beijing West

Chengjiao line of the Zhengzhou Metro (Chinese: 郑州地铁城郊线; pinyin: Zhèngzhōu Dìtiě Chéngjiāo Xiàn), planned to be part of Line 9 in the future, is a rapid transit line in Zhengzhou. It was opened on 12 January 2017. This line is 40.84 km (25.38 mi) long with 19 stations (16 stations in operation).

Through services are operated on Line 2 and Chengjiao line, although they are classified as separate lines.