London Underground testing new step-free device at Jubilee line stations - ianVisits
Briefly

A miniature boarding ramp that can close the gap between tube trains and platforms is to be tested at a number of Jubilee line stations to see if it should be rolled out across the network.The bridging device is the same width as the boarding ramps already in extensive use across the network but is only 200mm in length.
Read at ianVisits
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