the Canadian Pacific Railway route across Canada, so called because it went entirely through British territory.
See also: all-red line
- 1932  . . . the Canadian Pacific Railway had reached Vancouver, closed the last gap in the "All-Red Route" and had raised the obscure settlement on the muddy shore of Water Street . . . to the status of a world port.
- 1935  The all-red line had come to life again and thrust on toward the Rockies.