Ahmad Elzoghby, a spokesman for the challenge, said the group also hopes to raise awareness about alternative modes of transportation.

BBC: Riding cross-country for Egyptian tourism

Deron Lovaas, transportation policy director for the Natural Resources Defense Council, said the study "hit the nail on the head in terms of the opportunity" to promote alternative modes of transportation.

CNN: Study: Flight delays to get worse as economy improves

Alone and in partnership with Amtrak, Caltrans is also involved in the support of intercity passenger rail service in California, and is a leader in promoting the use of alternative modes of transportation.

ENGADGET: IBM shows off Smarter Traveler traffic prediction tool