CIA World Factbook
Database (ASU access only): https://libguides.asu.edu/mergentonline
Includes country profiles with a section on transportation. Access the reports through the Country Profiles drop-down selection menu on the lower right of the screen.
State Transportation Statistics
Compiles annual data on each U.S. state's infrastructure, safety, freight movement and passenger travel, vehicles, economy and finance, and energy and the environment. Use the annual reports rather than the map links for the most current data.
Provides articles, blogs and other material on transportation logistics and costs. Includes regularly updated price trends for rail, water, air, and trucking. To find these use the site's topic index for price trends http://www.logisticsmgmt.com/topic/C38/.