G42 Shanghai–Chengdu Expressway

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alt=Shanghai–Chengdu Expressway shield
Shanghai–Chengdu Expressway
上海-成都高速公路
Hurong Expressway
沪蓉高速公路
China's expressway network with the G42 in blue
Route information
Length1,960 km[1] (1,220 mi)
Existed2014–present
Major junctions
East endMiddle Ring Road, Shanghai
  G15 – Qingpu District, Shanghai
 – Anting, Shanghai
 – Wuzhong District, Suzhou, Jiangsu
G2 – Huishan District, Wuxi, Jiangsu
G4011 – Dantu District, Zhenjiang, Jiangsu
G2501 – Jiangning District, Nanjing, Jiangsu
G36 – Qixia District, Nanjing, Jiangsu

G25 – Baixia District, Nanjing, Jiangsu
G2501 G4211 – Yuhuatai District, Nanjing, Jiangsu

G40 – Pukou District, Nanjing, Jiangsu
G3  – Feidong County, Hefei, Anhui
G35 – Yu'an District, Lu'an, Anhui
G40 – Huoqiu County, Lu'an, Anhui
G45 – Macheng, Hubei
G4201 – Xinzhou District, Wuhan, Wuhan, Hubei
G70 – Huangpi District, Wuhan, Hubei
G4 – Dongxihu District, Wuhan, Hubei
G55 – Duodao District, Jingmen, Hubei
G50 – Yiling District, Yichang, Hubei
G50 – Dianjiang County, Chongqing
G65 – Linshui County, Guang'an, Sichuan
G75 – Nanchong, Sichuan
G93 – Chuanshan District, Suining, Sichuan
G4201 – Longquanyi District, Chengdu, Sichuan
West end and , Chengdu, Sichuan
Highway system
National Trunk Highway System
G4201

The Shanghai–Chengdu Expressway (Chinese: 上海-成都高速公路; pinyin: Shànghǎi-Chéngdū Gāosùgōnglù), commonly referred to as the Hurong Expressway (simplified Chinese: 沪蓉高速公路; traditional Chinese: 滬蓉高速公路; pinyin: Hù-Róng Gāosùgōnglù) is an east-west bound expressway that connects the eastern metropolis of Shanghai to Chengdu, the capital city of Sichuan. The expressway passes through six provinces and serves major cities such as Suzhou, Wuxi, Changzhou, Nanjing, Hefei, Wuhan, and Yichang. The eastern terminus of G42 is at the of Shanghai Middle Ring Road. At its western terminus, the expressway intersects the and connects in Chenghua District, Chengdu. The expressway spans 1,960 km (1,220 mi) in length.

With the completion of the remaining ChongqingYichang segment of the expressway construction in December 2014,[2] the entire length of the Shanghai-Chengdu Expressway officially opened to motorists.[citation needed]

G42 is the principal highway of Yangtze Economic Corridor and therefore reportly facilitates 46.6 percent of the country’s gross domestic product, making it one of the most economically active expressways in the world, like Interstate 95, although both US East coast and the Yangtze Economic Corridor is served by numerous other highways and means of transport.

Route Description[]

Shanghai[]

In Shanghai Municipality, the G42 is an eight-lane expressway which concurs with G2 Beijing-Shanghai Expressway for its entire length, and has a speed limit of 120 km/h (75 mph). The expressway begins at Wuning Road Interchange in Shanghai Middle Ring Road, traveling eastbound. Soon after the intersection with the S20 Shanghai Outer Ring Expressway in Jiading District, the expressway becomes a tollway at Jiangqiao toll plaza. In Qingpu District, it intersects with G15 Shenyang-Haikou Expressway via a partial cloverleaf interchange. At Anting Town, the G42 connects with G1501 Shanghai Ring Expressway through a brief connector and two trumpet interchanges, then intersects with the G1501 via an overpass and enters Kunshan, Jiangsu.

Jiangsu[]

The expressway crosses the Yangtze River over the Third Nanjing Yangtze Bridge

The G42 is an eight-lane expressway throughout the province of Jiangsu and has a maximum speed limit of 120 km/h (75 mph). It is run concurrently with G2 Beijing-Shanghai Expressway until Huishan District, Wuxi, where it splits with the northeast-bound G2 and continues east. The expressway bypasses downtown Kunshan and meets (concurs with ). The expressway then travels northwest to downtown Suzhou and intersects with G15W Changshu-Taizhou Expressway at Wuzhong District, Suzhou. From there the expressway turns slightly north and again encounters the () before entering Wuxi. In Wuxi, the expressway intersects with before bypassing downtown, and splits with G2 at , continuing northwest. The G42 then connects with northwest of downtown Wuxi, and meets in Wujin District, Changzhou. Running north to the downtown Changzhou, G42 meets in Xinbei District, Changzhou. From there, G42 travels west, bypassing Danyang and connecting to Zhenjiang via . After meeting G4011 Yangzhou-Liyang Expressway in Dantu District, Zhenjiang, G42 continues westbound and enters Nanjing.


In Nanjing, G42 first intersects with the southeast portion of , then follows a partial cloverleaf interchange near Purple Mountain, Qixia District to interchange with northbound G36 Nanjing-Luoyang Expressway. For its entire length south to Yangtze River in Nanjing, G42 concurs with and intersects with G25 Changchun-Shenzhen Expressway near Baixia District. At , the expressway interchanges with /. Before crossing the Yangtze River, G42 connects to the north-south spur of G4211 Nanjing-Wuhu Expressway and concurs with G2501 again. Through traffic is then carried across the Yangtze River by Third Nanjing Yangtze Bridge, and the G42 splits with G2501 at an interchange to the east of , where G42 turns west and concurs with G40 Shanghai-Xi'an Expressway for their remaining lengths in Jiangsu. At the town of Zhouzhuang, Pukou District, the expressway becomes a four-lane expressway and enters Anhui Province at Quanjiao County.

Anhui[]

In Anhui Province, the G42 concurs with G40 until Huoqiu County, Lu'an, and is mostly a 4-lane limited-access expressway except for a 42.64 km (26.50 mi) section between Feidong County and Hefei, which has been expanded to an eight-lane expressway in 2009.[citation needed] The expressway has a maximum speed limit of 110 km/h (68 mph) east of Hefei, and 120 km/h (75 mph) to the west, except for the section between Jinzhai County and Anhui-Hubei border, where a 100 km/h (62 mph) speed limit (80 km/h (50 mph) in tunnels) is enforced due to mountainous terrains.[3] It concurs with G40 southwest bound. At a partial cloverleaf interchange east of Feidong County, Hefei, G42 turns north and concurs with G3 Beijing-Taipei Expressway and briefly before splitting with G3 and heads west again. Here, G42 continues to concur with G4011 until Changfeng County, Hefei, where it continues westbound for Lu'an. The expressway then intersects with G35 in Yu'an District, Lu'an and splits with G40 at Huoqiu County, Lu'an. From there, G42 heads southwest into the Dabie Mountains. This portion of expressway generally follows the corridor, but it bypasses the to the south, and is characterized by expansive bridges and lengthy tunnels. At the village of , the expressway crosses Anhui-Hubei border and enters Macheng, Hubei Province.

Hubei[]

The expressway in Hubei

In Hubei Province, the G42 is a 4-lane limited access tollway, with a speed limit of 100 km/h (62 mph) for its entire length, except for tunnels, in which an 80 km/h (50 mph) speed limit is enforced. The expressway enters Hubei at the town of and continues westbound to the . With a length of 4,900 m (16,100 ft), the Dabie Mountains Tunnel is the longest tunnel on G42 east of Wuhan.[citation needed] The G42 then heads southwest, bypassing Macheng and intersects with G45 Daqing-Guangzhou Expressway to the west of downtown Macheng. Continuing southwest, the expressway concurs with and turns west on G4201 Wuhan Ring Expressway in Xinzhou District, Wuhan, where it concurs briefly with G70 Fuzhou-Yinchuan Expressway. Through traffic is then carried across the Yangtze River again via the Yangluo Yangtze River Bridge. At the intersection with , G42 splits with G70, which concurs with S2 northwest bound, and continues southwest. It then meets in and G4 Beijing-Hong Kong-Macau Expressway in Dongxihu District, Wuhan. At the intersection with G4, G42 splits with G4201 and continues westbound. It intersects with in Tianmen and G55 Erenhot-Guangzhou Expressway to the southwest of downtown Jingmen.

The G42 heads slightly south to reach the hydropower city of Yichang in Yiling District, where it currently terminates at the intersection with G50 Shanghai-Chongqing Expressway, (which becomes northwest of downtown Yichang), and .

Chongqing[]

The expressway crosses the spectacular Daning River Bridge in Chongqing

The G42 is unfinished in Chongqing. The temporary eastern terminus is at the in Wushan County. From there the G42 is continuous throughout Chongqing. Due to restraints of the difficult terrains, the maximum speed on the expressway has been set at 80 km/h (50 mph). The expressway runs parallel to the Yangtze River behind the mountains of Three Gorges. At , G42 intersects with the non designated . It then heads south and bypasses Wanzhou District. At Qinggangba Interchange, the G42 turns westbound and intersects with the , which spurs into the downtown of Wanzhou and becomes the G318 National Highway. G42 travels southwest until encountering G50 again in , Dianjiang County. The expressway would then travel westbound and enters , through which it crosses the Chongqing-Sichuan border and enters Sichuan Province.

Sichuan[]

In Sichuan Province, the G42 is a four-lane expressway with a speed limit of 80 km/h (50 mph), except for a few sections in Nanchong and Guang'an, where a 100 km/h (62 mph) speed limit is enforced. At Linshui County, Guang'an, the expressway encounters G65 Baotou-Maoming Expressway and turns northwest bound. It then bypasses Guang'an and continues northwest until intersecting with the unsigned northbound and southbound G75 Lanzhou-Haikou Expressway in Nanchong. The expressway would then continue southwest bound and meet G93 Chengdu-Chongqing Ring Expressway in Chuanshan District, Suining, and bypasses Suining to the north of its downtown. It crosses the Fu River and intersects with the unsigned . From there, the expressway continues to the city of Chengdu, where it intersects with in Longquanyi District at and proceeds to the . The G42 terminates after passing the East 3rd Ring Road and dipping briefly onto the .

References[]

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