Tue Apr 29, 5:16 PM ET Actor Martin Milner, of television's 'Adam-12' and 'Route 66' fame, waves flags to signal the start of the Hampton Inn-Route 66 Caravan, flanked by classic cars along Ocean Avenue, April 29, 2003 in Santa Monica, California. The caravan will post more than 60 roadside attraction signs along America's most famous highway -Route 66 - at vintage sites, some featured on the Route 66 series. REUTERS/Bob Riha