CNN CNN Newsroom With Poppy Harlow May 17, 2015 20:11:00
All right. so amtrak has been told to beef up some of its safety requirements including speed limits on northbound trains through that area. so mary, to you first, explain what is being required and how would that happen now? >> well in many ways whats being required is what has been required by legislation all along, and amtrak has been working on getting in place this system called positive train control. and they have committed to have it in place by the end of the year and they have it on ma...
Source: archive.org