street level shape files for united state

[Brock Anderson]

Kurt,

Tiger is the only "street level" USA road data set that I am aware of.  
Tiger data aren't very accurate, and commercial road data are generally 
much higher quality.

The poor quality of Tiger roads is most obvious when you draw them on 
the same map as better data (like GPS-captured positions).

Although there are better road data sets out there (if you pay), Tiger 
is probably suitable for some applications.  What do you need the roads for?

Brock

K Kuo wrote:

> Hi,
> I have been looking for the detail road network (street level) shape 
> files for US and can not find it. I am wondering if there is any free 
> data available. Is the commercial street level data like (navteq) much 
> better than tiger files (if I convert tiger file to shapefile)?
> thanks
>
> Kurt