NMA Black Boxes Fact Sheet ( PDF )
Free to download, print & distribute.

Here are some additional resources to look through:

Accident Reconstruction Network (ARC)
Information on black boxes from the Accident Reconstruction Network.

Information On A Privacy Update To The Automotive Black Box Standard
Learn about the IEEE 1616a-2010 standard, an amendment to IEEE 1616 Standard for Motor Vehicle Event Data Recorders, the first universal standard for black boxes installed in cars and light trucks.