Thank you all for your responses and suggestions.
As I feared, everyone is using tiger based data with no spatial correction.
Are there any companies other than Etak, Thomas Bros and NavTech that are
creating positionally accurate road base layers? I need something accurate
enough to use for in-car navigation, though that is not my application.
Does anyone know of current or future projects with this goal in mind?
Thank you,
Brad Mathews
Technical Director
VISTAinfo Property Disclosure
a division of VISTA Information Solutions, Inc. (Nasdaq VINF)
(408) 261-6450x206
(408) 261-6454 (fax)
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