<span style="color: #222222;">The Light Detection and Ranging Survey (LiDAR) survey for preparation of a detailed project report (DPR) for Mumbai-Nagpur High-Speed Rail Corridor started on Friday. In this, an aeroplane fitted with state of art Aerial LiDAR and Imagery sensors took the first flight and captured the data related to ground survey.</span><br />'' <span style="color: #222222;"> </span><br />'' <span style="color: #222222;">National High-Speed Rail Corporation Limited is conducting this survey. This survey provides all the ground details and data in 3-4 months wherein this process normally takes 10-12 months.</span><br />'' <span style="color: #222222;"> </span><br />'' <span style="color: #222222;">During the Aerial LiDAR survey, 150 mtrs of area around the proposed alignment is being captured for the survey purpose. After the collection of data, Three Dimensional (3D) Topographical map of corridor of the proposed alignment on a scale of 1:2500 will be available for designing of the vertical & horizontal alignment, structures, location of the stations and depots, Land requirement for the corridor, identification of project affected plots/structures, Right of Way etc.</span><br />'' <span style="color: #222222;"> </span><br />'' <span style="color: #222222;">To provide clear pictures of the structures, trees and other minute ground details, 100-megapixel cameras are being used for the LiDAR survey.</span><br />'' <span style="color: #222222;"> </span><br />'' <span style="color: #222222;">Approximately 736 km Mumbai-Nagpur HSR Corridor will connect Mumbai city with Nagpur via Nashik, Shirdi and Aurangabad.</span><br />''