Dr. Buzz Powell: Walking the Asphalt Path by National Asphalt Pavement Association published on 2020-05-21T13:52:46Z Dr. Buzz Powell, Assistant Director at NCAT, got his start in the industry as a laborer with the Alabama Department of Transportation in 1986. He's got a reputation for being truly passionate about asphalt pavements, and he can tell incredible stories about working on the NCAT Test Track during oppressive Alabama summers