Line 9
# Line 9

Line 9 or 9 Line may refer to:

## Asia

### China

* Line 9 (Beijing Subway), a subway line in Beijing
* Line 9 (Chengdu Metro), a metro line in Chengdu, Sichuan
* Line 9 (Chongqing Rail Transit), a metro line in Chongqing
* Line 9 (Guangzhou Metro), a metro line in Guangzhou, Guangdong
* Line 9 (Hangzhou Metro), a metro line in Hangzhou, Zhejiang
* Line 9 (Shanghai Metro), a metro line in Shanghai
* Line 9 (Shenyang Metro), a metro line in Shenyang, Liaoning
* Line 9 (Shenzhen Metro), a metro line in Shenzhen, Guangdong
* Line 9 (Tianjin Metro), a metro line in Tianjin
* Line 9 (Xi'an Metro), a metro line in Xi'an, Shaanxi

### India

* Line 9 (Mumbai Metro)

### Malaysia

* Sungai Buloh-Kajang Line, called Line 9 at route map

### Philippines

* Metro Manila Subway Line 9, Metro Manila

### South Korea

* Seoul Subway Line 9, a subway line in Seoul

## Europe

### France

* Paris Métro Line 9, one of 16 metro lines in Paris

### Italy

* Line 9 (Naples Metro), rapid transit railway line that forms part of the Metropolitana di Napoli

### Russia

* Line 9 (Moscow Metro), a metro line of the Moscow Metro, Moscow

### Spain

* Barcelona Metro line 9, one of the two branches of the Barcelona metro extension line 9/10
* Line 9 (Madrid Metro)

## North America

### Mexico

* Mexico City Metro Line 9, a rapid transit line in Mexico City

### United States

* 9 (New York City Subway service)
* Route 9 (Baltimore), a bus route
* 9 (Los Angeles Railway)

## South America

### Brazil

* Line 9 (CPTM), São Paulo

### Chile

* Santiago Metro Line 9, a planned railway line
