Originally Posted by
jiejie
(@Ana--unless construction was egregiously bad, you wouldn't expect substandard materials and shoddy workmanship to show up immediately as crashes and derailments--it would take awhile under normal system operational use for internal concrete and metallurgical stresses to reach a breaking point and fail under load.)
That's the Wal-Mart theory, if is doesn't break when it comes out of the box,
that's OK. 90-120 day failure, well that's good enough.
HSR two years, well... shut down the speed a little...then we can get maybe 4-5 years.