I just recalled that light rail serving terminals in airports are automatically controlled. They are heavily interlocked with electrical switches at each stop and switch. There is no human at the controls in the car. On the other hand they are not high speed trains nor do they depend on date and time to start and stop.
----- Original Message ----- From: "Stephen Russell" <[email protected]> To: "ProFox Email List" <[email protected]> Sent: Thursday, February 18, 2010 2:00 PM Subject: Re: [OT] No global warming since 1995 > On Thu, Feb 18, 2010 at 12:32 PM, Nicholas Geti <[email protected]> > wrote: >> I know something about train control from my readings while learning to >> signal model railroads. Systems do not run automatically. A dispatcher >> knows >> exactly where every train is at any given moment he has a wall of panel >> lights indicating that. Date and time are important for scheduling but >> not >> for avoiding mishaps. CTC and the newer computer systems do not trigger >> any >> activity automatically based on date and time. That is the dispatcher's >> job >> to push the proper buttons to initiate action. >> >> In fact a train can run through a red signal on most railroads and not be >> stopped by an automatic system. So human control is the name of the game. > -------------------- > Glad no light rail here. > > -- > Stephen Russell > > Sr. Production Systems Programmer > CIMSgts > > 901.246-0159 cell > [excessive quoting removed by server] _______________________________________________ Post Messages to: [email protected] Subscription Maintenance: http://leafe.com/mailman/listinfo/profox OT-free version of this list: http://leafe.com/mailman/listinfo/profoxtech Searchable Archive: http://leafe.com/archives/search/profox This message: http://leafe.com/archives/byMID/profox/72a22b2656c7492c88f10aaa8ac75...@dual ** All postings, unless explicitly stated otherwise, are the opinions of the author, and do not constitute legal or medical advice. This statement is added to the messages for those lawyers who are too stupid to see the obvious.
