The U.S. Census provides a database of street polygons and other data
about landmarks, elevation, etc. This was discussed in a separate thread.
The main URL is here:
http://www.census.gov/geo/www/tiger/index.html
My loader was written for the 2000 version, the 2002 version has some
difference, but it should be easy enough to ad the fields.
On my site, in the downloads section, at the bottom is the tigerua
loader. It is very raw, just hacked together to load the data. It may
take a little work to function with 2002 files, I have not looked at
that yet.
My site:
http://www.mohawksoft.com