CNN CNN International May 15, 2015 07:12:00
>> we will have positive train control on the northeast corridor section by december 31st. >> to push you a little bit, some would say, congress says you have to have it by december 2015. why don't have you it now? is it a issue after cost? >> it is time issue and cost. >> now the hope is to reopen them by early next week. renee marsh, cnn, philadelphia. >> many experts are asking if the automated speed control system, the ceo was talking about in that report, also called positive train control would have worked. >> positive train control is the matrix of information about all of the trains ou...