Shanghai–Luchaogang Expressway
Hulu Expressway 沪芦高速公路
The toll station at Lingang New Area before the Donghai Bridge. Note the sign showing the old designation of the expressway, A2.
Route information
Length	42.31 km[1] (26.29 mi) Length excludes the Donghai Bridge.
Major junctions
From	Shanghai S1 / Shanghai S20 in Pudong New Area, Shanghai
Major intersections	Shanghai S32 in Pudong New Area G1503 in Pudong New Area
To	Lingang New City, Pudong New Area, Shanghai
Location
Country	China
Province	Shanghai
Highway system
Transport in China
← S1 → S3

The Shanghai–Luchaogang Expressway, commonly referred to as the Hulu Expressway (Chinese: 沪芦高速公路; pinyin: Hùlú Gāosù Gōnglù) and designated S2, is a 42.31-kilometre-long expressway (26.29 mi)^[1] in the city of Shanghai, China. The entire route runs within Pudong New Area in the city of Shanghai, and was originally designated A2.^[2]

The Shanghai–Luchaogang Expressway runs in Pudong New Area for its entirety. It begins at the Outer Ring Yingbin Expressway Interchange,^[3] an interchange with S1 Yingbin Expressway and S20 Outer Ring Expressway. It travels southward, meeting the Shanghai–Jiaxing–Huzhou Expressway, and then curves southeastward to meet the G1503 Shanghai Ring Expressway. It ends at Lingang New City on the southeastern coast of Shanghai, just before the Donghai Bridge. The Donghai Bridge connects Shanghai to Yangshan Port, a deep-water port administered by Shengsi County, Zhoushan, Zhejiang in Hangzhou Bay.

Location	km	mi	Exit[4]	Name	Destinations	Notes
Shanghai S2 (Shanghai–Luchaogang Expressway)
Pudong New Area, Shanghai	0	0	27	Outer Ring Yingbin Expressway Interchange	Shanghai S1 / Shanghai S20
	Kangqiao Toll Booth
			34	Shanghai S32 – Jiaxing, Pudong International Airport
			41	Shanghai S122 (Hunan Highway)
			46	Shanghai S324 (Daye Highway)
			52	Xinsiping Highway
			57	Dating Interchange	G1503 – Jiaxing, Pudong International Airport
	Lingang Service Area
			62	Shanghai S222 (Nanlu Highway)
	Lingang Toll Booth
			67	Lianggang Avenue Lingang Industrial Area
				Dishui Lake Shunxiang Road Hucheng Ring Road Tongshun Avenue		Northbound exit only
				Shuntong Road Yangshan Port Community Management Committee		Southbound exit only
Continues south to Donghai Bridge
Closed/former       Concurrency terminus       HOV only       Incomplete access        Tolled       Route transition       Unopened