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TII commissions an Annual Sideway-force Coefficient Routine Investivation Machine (SCRIM) Survey of the National Primary and Secondary road network in one direction, alternating the direction of survey each year. The data reported is the Characteristic Scrim Co-efficient (CSC)...
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Dataset contains line geometries for the National Roads Network as at the end of 2013.
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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...