All links of DARPA Grand Challenge and Urban Challenge

CNN.com - Robots fail to complete Grand ChallengeCNN.com - Robots fail to complete Grand Challenge
NPR : Robot Vehicles Race for $2 Million PrizeNPR : Robot Vehicles Race for $2 Million Prize
NPR : Competing in the Government's Robot RaceNPR : Competing in the Government's Robot Race

DARPA Grand Challenge and Urban Challenge related site: