A dataset of 1km Grid Road network density in China(2019）

Road network density is the basic index of evaluating regional road development scale and road network development degree, as a comprehensive characterization index, road network density measurement and monitoring of regional evaluation is an important index of regional traffic and economic development, and provide reference for urban road management and control measures, is of great significance to urban planning and municipal management. This paper uses the vector data of railway land, highway land, urban and village road land and rail transit in the third National Land survey, extracts the road center line, uses the km network production software, and obtains the China 1km network density data set in 2019. This data set can be used for the study of territorial spatial planning, planning and implementation evaluation, calculation of regional transportation development status factors, and accessibility calculation.