McDonnell for Governor, "McDonnell unveils comprehensive statewide transportation plan," July 21, 2009.
E-mails from Nancy Singer, spokeswoman for the Federal Highway Administration, September 19-20; October 4.
E-mails from Jeff Caldwell, spokesman for Governor Bob McDonnell, September 13-14, September 20.
Interview with Jeff Caldwell, September 20, 2011.
Interview with Sean Connaughton, Virginia secretary of transportation, October 5, 2011.
U.S. Federal Highway Administration letter to the Virginia Department of Transportation on I-95 tolling, September 14, 2011.
Governor Bob McDonnell, "Virginia receives preliminary approval to toll Interstate 95," Sept. 19, 2011.
Governor Bob McDonnell, "Governor files application to toll Interstate 95 near North Carolina border,"May 10, 2010.
The Virginian-Pilot, "U.S. 460 plans still need money," April 18, 2010.
The Virginian-Pilot, "Tolls on I-95 in Virginia get conditional approval from feds," September 19, 2011.
Richmond Times-Dispatch, "McDonnell wants to charge toll at N.C. line on I-95," May 10, 2010.
Richmond Times Dispatch, "McDonnell seeks tolls on I-95 near N.C. border," May 11, 2010.
Associated Press, "McDonnell supports tolling lanes on I-95 to pay for road maintenance," May 28, 2010.
Roanoke Times, "Toll may soon hit drivers on I-95," May 11, 2010.
The Virginian Pilot, "Welcome to Virginia. Pay up," May 11, 2010.