Complex sentence: The service launched in preliminarily in December 2005, and fully in March 2006 is funded in part by the voter intitited (Measure B?) 1 $toll increase on all state owned bridges in the Bay Area.
Split into simpler sentences: The service launched in preliminarily in December 2005, and fully in March 2006. It is funded in part by the voter initiated $1 toll increase on all state owned bridges in the Bay Area.