National Road Network Sinuosity Index Transport Infrastructure Ireland
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下载链接：
https://data.gov.ie/dataset/national-road-network-sinuosity-index
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资源简介：
For each record (about 5,500 in total and each represents about 1km of the network) the sinuosity is calculated. It is a ratio of the actual length over the shortest path defined by the start and end nodes of the 1 km section. Section with a Sinuosity value of below 1.008 are co
