Esri Data & Maps - Which of 3 Data file contains prebuilt network dataset?

Discussion created by mapzarthur on Apr 28, 2012
Latest reply on Nov 30, 2012 by jsandhu-esristaff
Which of the three download files for "Esri Data & Maps for ArcGIS 10" contains the free network dataset called "Streetmap_na?"

Please see this link:

I want to use it to build a network layer for an origin-destination cost matrix. I'd rather not create my own.