0
Steven Soderbergh
-Human Trafficking (2005)
-Trade (2007)
-Taken (2008)
-Sex Traffic (2004)
-The Whistleblower (2010)
-Holly (2006)
-Eden (2012)
No, it is not an adverb. Traffic is a noun, which can also be used as an adjunct or adjective (traffic laws, traffic lanes).
Traffic - Traffic album - was created in 1968-10.