` ` It 's hard to incorporate into the system now , '' says MP 's Paul Prendergast . ` ` There are technological issues we need to address , '' says Prendergast . ` In stations where we have barely managed to create an accessible path for the disabled , construction may prove to be infeasible , '' said Peter Cafiero , chief of operations planning . The discussion began in the wake of two deaths where people were pushed onto the tracks .
` ` It 's hard to incorporate into the system now , '' says MP 's Paul Prendergast . ` ` There are technological issues we need to address , '' says Prendergast . The discussion began in the wake of two deaths where people were pushed onto the tracks .