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Older tracks can't be used for high speed trains. In France, all the new high-speed lines are constructed for this usage (lot of straight lines). On older lines
by baud147258 9y ago
Older tracks can't be used for high speed trains. In France, all the new high-speed lines are constructed for this usage (lot of straight lines). On older lines, an high-speed train will be at the same speed as a normal commuter train.
- ebikelaw 9y agoHe didn’t say they could. But tracks built today can be used forever, because wheel-on-rail technology has a hard limit at Mach 0.5 and we’ll never have faster trains than we have today.