GeoGratis : The Atlas of Canada Base Maps
The Atlas of Canada base Map series includes:

all federal, provincial and territorial boundaries as well as the international boundaries, major road and rail transportation networks, hydrography and ice cover, a selection of populated places along with administrative, provincial and national capitals.

1:2 Million Scale Base Map Data

Region Projection File Format
Geographic
Lambert
Arc Export (E00)
DXF
Drawing files (.DWG)
1:7.5 Million Scale Base Map Data

Projection File Format
Geographic
Lambert
Arc Export (E00)
DXF
Drawing files (.DWG)
1:20 Million Scale Base Map Data

Projection File Format
Geographic
Lambert
Arc Export (E00)
DXF
Drawing files (.DWG)
1:30 Million Scale Base Map Data

Projection File Format
Geographic
Lambert
Arc Export (E00)
DXF
Drawing files (.DWG)