Hong Kong subway trains collide amid new signal system trials

Two trains collide during a new signal system trial, threatening travel disruption for millions. from BBC News - Technology https://ift.tt... thumbnail 1 summary
Two trains collide during a new signal system trial, threatening travel disruption for millions.

from BBC News - Technology https://ift.tt/2TKuvP2

No comments

Post a Comment

Subscribe to: Post Comments (Atom)