neroden
Engineer
https://www.railwaygazette.com/high-speed/crrc-unveils-gauge-changing-high-speed-train/57630.article
This switches between standard gauge and Russian gauge. The immediate application is Beijing to Moscow. In the long run this probably can be adapted for Indian gauge too.
This switches between standard gauge and Russian gauge. The immediate application is Beijing to Moscow. In the long run this probably can be adapted for Indian gauge too.