American Road & Transportation Builders Association: http://www.artba.com/

TRIP: The Road Information Program: http://www.tripnet.org/

Oklahoma Department of Transportation: http://www.okladot.state.ok.us/

Department of Transportation for the United States of America: http://www.dot.gov/

Salt Institute: http://www.saltinstitute.org/

US Department of Transportation Federal Highway Administration: http://www.fhwa.dot.gov/

Oklahoma Transit Association: http://www.oktransit.org/ 
 
Oklahoma Turnpike Authority: http://www.pikepass.com/ 
 
Oklahoma Railroad Association
   John P. Kyle, Director
   709 Fox Hill Dr.
   Edmond, OK 73034
   Phone- (405) 285-1170
   Fax- (405) 285-0212
   E-mail- This e-mail address is being protected from spam bots, you need JavaScript enabled to view it
 
Oklahoma Airport Operators Association: http://www.okairports.com/

Oklahoma Aeronautics Commission: http://www.ok.gov/OAC/
 
Americans for Transportation Mobility (affiliate of the U.S. Chamber): http://www.fasterbettersafer.org/

U.S. Chamber of Commerce  http://www.uschamber.com
 
Big Man Electric Vehicles, Alva: http://www.bigmanev.com/

Institute for 21st Century Energy (affiliate of the U.S. Chamber): http://www.energyxxi.org/xxi/index.html

Energy Information Administration: http://www.eia.doe.gov/
 
American Council on Renewable Energy: http://www.acore.org/

Edison Electric Institute: http://www.eei.org/ 

The Pickens Plan:       http://www.pickensplan.com/

Reports:

National Surface Transportation Policy & Revenue Study Commission: http://www.transportationfortomorrow.org