Montreal tunnel, Canadian Shield among major risks driving up high-speed rail cost, warns watchdog CTV NewsAlto high-speed rail project could cost more than originally thought: budget watchdog CBCConstruction on Ottawa-Montreal high-speed rail leg would spur ‘modest economic stimulus’: PBO Ottawa CitizenToronto-Quebec high-speed rail project could cost more than Ottawa’s estimate, PBO says The Globe and MailHigh-speed rail costs could reach $113 billion, 25% more than estimated, PBO warns National Post
