This article in Carnegie Mellon News gives a little bit of information on CMU's Red Team, their DARPA Grand Challenge team.

Other critical elements are premapping and preplanning strategies. Red Team technology leader Chris Urmson describes them as “enabling capabilities for competing in the race. We'll be using 1.5 terabytes of data to generate high-resolution maps of the desert,” he said. “Our planning software will process the maps to classify the terrain, reach the waypoints, avoid difficulties, determine our speeds and optimize our route.”