Dive into the archives.
- Globalization and World Cities - GaWC
A very interesting site with research related to World Cities and their relational characteristics.
http://www.lboro.ac.uk/gawc/
- Transcanada Highway
The Transcanada Highway was created between 1949 and 1966.
http://www.transcanadahighway.com/general/highwayhistory.htm
