Xinnong–Jinshanwei Expressway
Xinwei Expressway 新卫高速公路
Route information
Length	18.96 km [1] (11.78 mi)
Major junctions
From	G1501 / Shanghai S36 in Xinnong, Jinshan District
To	Shanghai S301 (Xinwei Highway) in Jinshanwei, Jinshan District
Location
Country	China
Province	Shanghai
Highway system
Transport in China
← S7 → S20

The Xinnong–Jinshanwei Expressway ( Chinese: 新农–金山卫高速公路), commonly referred to as the Xinwei Expressway ( Chinese: 新卫高速公路) and designated S19, is a 18.96-kilometre-long expressway (11.78 mi) ^[1] in Shanghai, China. It runs entirely within Jinshan District, between the towns of Xinnong to the north and Jinshanwei to the south, which give the expressway its name. It was formerly designated as A6. ^[2]

The Xinnong–Jinshanwei Expressway is a north-south expressway located entirely in Jinshan District. It begins at the Xinnong Interchange, an interchange with G1501 Shanghai Ring Expressway to the north and east and S36 Tinglin–Fengjing Expressway to the west. It proceeds south to an interchange with G15 Shenyang–Haikou Expressway near Jinshanwei. A short segment of the expressway continues beyond the interchange to a toll booth, where the expressway terminates and becomes Xinwei Highway.

Location	km	mi	Exit [3]	Name	Destinations	Notes
Shanghai S19 (Xinnong–Jinshanwei Expressway)
Jinshan District, Shanghai	0	0	0	Xinnong Interchange	G1501 / Shanghai S36 – Jiaxing, Zhujing Town, Donghai Bridge
			5	Lüxiang	Rongchang Road Zhulü Highway
			11	Zhangyan/Langxia	Jinzhang Feeder Road Caolang Highway
			18	Jinshanwei Interchange [4]	G15 – Nantong, Ningbo, Shanghai City Center
	Jinshanwei Toll Booth
				Jinshanwei	Shanghai S301 (Xinwei Highway)
Closed/former        Concurrency terminus        HOV only        Incomplete access        Tolled        Route transition       Unopened

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