ah yes i have seen it many times as im from the Boston area. definitely a consideration.. however you have prob also heard about the texting conductor who caused a crash?
http://www.boston.com/news/local/breaking_news/2009/05/ems_49_taken_to.html
China, U.S. to cooperate in space exploration, high-speed rail construction
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ah yes i have seen it many times as im from the Boston area. definitely a consideration.. however you have prob also heard about the texting conductor who caused a crash?
http://www.boston.com/news/local/breaking_news/2009/05/ems_49_taken_to.html
DamnYankee
Loyal to the end
Systems that don't have redundancy are prone to failure. Systems with a high degree of variability (ie: human passengers) require human control.