Schools of California Online Resources for Education
Score: Washington Elementary School: From Foot to Flight
The history of transportation in the United States is at the click of the mouse for specific modes. Activities and glossary are included. Geared toward primary students in content and navigation.
New York Times
New York Times: Crossword Puzzle: Transportation
The New York Times Learning Network has developed interactive & printable crossword puzzles. The theme of this one is Transportation.