How much a fast Toronto-Quebec City train would cost to build

Parliamentary Budget Officer Annette Ryan, Ottawa's budget watchdog, says building a fast train from Toronto to Quebec City would cost $75-billion to $113-billion. That tops Alto's early $60-billion to $90-billion estimate. Alto is the group planning the line. Both cover construction alone. Her comparison, based on per-kilometre costs from other countries, was done for the Senate national finance committee.