China National Highway 309

National Highway 309
309国道
Route information
Length:	2,208 km (1,372 mi)
Major junctions
From:	Rongcheng, Shandong
To:	Lanzhou, Gansu
Highway system
Expressways National Highways Transport in China

China National Highway 309 (G309) runs west from Rongcheng, Shandong towards Hebei Province, Shanxi Province, Shaanxi Province, Ningxia Autonomous Region, and ends in Lanzhou, Gansu. It is 2208 kilometres in length.

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Wikipedia