Data overview: This set of data mainly includes the spatial distribution of main roads in the Heihe River Basin, and the attributes include road classification and road coding. The data base year is 2010.
Data content description: the data mainly has two important attributes, namely, road classification and road code. The road classification is divided into national road, provincial road, county road, township road and special road. The road code is uniformly defined according to the road grade code of the transportation department
|collect time||2010/01/01 - 2010/12/31|
|collect place||Heihe River Basin|
|data size||1.9 MB|
Topographic map, remote sensing image and the latest road traffic map of Gansu Provincial Department of transportation in 2009
Good data quality
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