Hillsborough County GIS, Florida. (County Seat Tampa)

New Mexico

NM DOT: http://nmroads.com/

Albuquerque: http://www.cabq.gov/gis/

Rio Rancho: http://www.ci.rio-rancho.nm.us/index.aspx?NID=1312

NY/NJ/CT - http://www.nycroads.com/ Unofficial, but a wealth of knowledge

NJ - http://www.nj.gov/transportation/gis/ State DOT and GIS Maps

NY - http://www.nysgis.state.ny.us/ State GIS Maps

TN - http://tnmap.state.tn.us/viewer/ State GIS Maps
http://www.tdot.state.tn.us/maps.htm State DOT Maps
http://www.kgis.org/KGIS_Lite/MapViewer.html Knox County GIS