DARPA Grand Challenge (2005)

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The second driverless car competition of the DARPA Grand Challenge was a 212 km (132 mi) off-road course that began at 6:40 am on October 8, 2005, near the California/Nevada state line. All but one of the 23 finalists in the 2005 race surpassed the 11.78 km (7.32 mi) distance completed by the best vehicle in the 2004 race. Five vehicles successfully completed the course:

Vehicles in the 2005 race passed through three narrow tunnels and navigated more than 100 sharp left and right turns. The race concluded through Beer Bottle Pass, a winding mountain pass with sheer drop-offs on both sides. Although the 2004 course had required more elevation gain, and some very sharp switchbacks (Daggett Ridge) had been required near the beginning of the route, it had had far fewer curves and generally wider^[clarify] roads than the 2005 course.

The natural rivalry between the teams from Stanford and Carnegie Mellon (Sebastian Thrun, head of the Stanford team was previously a faculty member at Carnegie Mellon and colleague of Red Whittaker, head of the CMU team) was played out during the race. Mechanical problems plagued H1ghlander before it was passed by Stanley. Gray Team's entry was a miracle in itself, as the team from the suburbs of New Orleans was caught in Hurricane Katrina several months before the race. The fifth finisher, Terramax, a 30,000-pound entry from Oshkosh Truck, finished on the second day. The huge truck spent the night idling on the course and was particularly nimble in carefully picking its way down the narrow roads of Beer Bottle Pass.