Sensors and Connectivity Series: How can LiDAR provide us with a new view of the railways?

LiDAR is a sensing technology which uses laser pulses to map surfaces, locate objects and determine relative velocities. It has a range of applications for rail, including surveying, railhead inspection and potentially the development of autonomous trains.

The use of LiDAR has expanded in the rail industry. In Denmark, an engineering company is mapping the rail network using LiDAR to produce a digital twin. In the UK, LiDAR systems mounted on passenger trains are being rolled out to survey the rail corridor.  

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