Shanghai maglev, built for $30mm / km. 400 kmph. Oakland Bart extension. Built for $100mm / km. 30 kmph. Can anyone explain?
@alyssamvance any more details? Maybe it's just a short efficient company? Volume?
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
@alyssamvance any more details? Maybe it's just a short efficient company? Volume?