珠三角1:100万县道（2019年）

珠三角县道数据集包括珠三角县道数据。县道数据内容包括县道名称、道路等级、速度等级、道路长度等信息。该数据集旨在提供珠三角地区县道分布的基础数据，以支持对交通网络、交通规划、城市发展等方面的研究。通过收集、整理和分析县道数据，可以深入了解珠三角地区各县的道路网络情况、道路等级、连接关系等信息，为交通规划、城市发展规划、交通安全管理等提供科学依据。

The Pearl River Delta (PRD) County Road Dataset includes county road data of the Pearl River Delta region. The county road data covers information such as county road names, road grades, speed grades, and road lengths. This dataset aims to provide basic data on the distribution of county roads in the Pearl River Delta to support research on transportation networks, transportation planning, urban development, and other related fields. By collecting, organizing, and analyzing county road data, one can gain an in-depth understanding of the road network conditions, road grades, connection relationships, and other information of each county in the Pearl River Delta, providing scientific basis for transportation planning, urban development planning, traffic safety management, and other aspects.