I-81 Corridor Coalition Conference
Here is the 2009 I-81 Corridor Conference presentation with accompanying annotations
TN Greenhouse Gasses Emissions
Here are the TN GHG emission slides showing growth by sector. It's important to point out that Transportation is by far the fastest growing greenhouse gas emission sector and that the growth rate of 'Vehicle Miles Traveled' for 'Heavy-Duty Diesel Trucks' is over 50% higher than for any other category of vehicle.
Truck Freight Growth
The heavy consolidated truck flow density shown here between Memphis, TN and Harrisburg, PA make this portion of the I-81 Corridor an ideal candidate for a pilot demonstration project for the National Steel Interstate System.