The 2004 TIGER (Topologically Integrated Geographic Encoding and Referencing) Line Files are available here. Most relevant, numerous street files (tgrXXXXXlka) have been realigned in this new version of TIGER. For a list of counties whose streets received this face-lift, see here.
Via: GISuser.com
These files are in TIGER format. For those using ESRI software, these can be converted easily into shapefile or feature class format by using the Tiger to Coverage geoprocessing tool.
Back in July, I developed a small script to perform batch conversions from TIGER 94 to shp. The script is not set up to be too flexible but a little tweaking of the source will do the trick.
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