OpenStreetMap
The TIGER data in York County, PA was horrific. York City and Lebanon were completed some time ago. Just completed Red Lion, Dallastown and Yoe (that's a real place). Back in Maryland, bad early TIGER data is found in Anne Arundel, Garrett and Queen Anne's Counties.
Discussion
Comment from compdude on 16 April 2011 at 22:28
Boy, I hate how bad the TIGER data is!! It's also super old, too.
Comment from mdroads on 16 April 2011 at 23:47
Only thing it gets right is the relation of the streets to each other, just enough for Census workers to canvass an area. As if I drew a diagram on a piece of paper. So, you'll know the name of the third street on the right, and it has a street looping off it to the north and that street's name too, but it's nowhere near the exact position in real life.