It isn't 100% accurate though. For instance, these driving directions: http://maps.google.com/maps?f=d&source=s_d&saddr=NW+51st+St&daddr=26.390832,-80.087961&

It isn't 100% accurate though. For instance, these driving directions: http://maps.google.com/maps?f=d&source=s_d&saddr=NW+51st+St&daddr=26.390832,-80.087961&hl=en&geocode=FTC_kgEd3OQ5-w%3B&mra=dme&mrcr=0&mrsp=1&sz=17&sll=26.393129,-80.090553&sspn=0.007208,0.007242&ie=UTF8&ll=26.392869,-80.089978&spn=0.007208,0.007242&z=17 http://maps.google.com/maps?f=d&source=s_d&saddr=NW+... are not correct. While 4th Ave is bi-directional, the segment between NW 51st St and NW 50th Pl is one way, north only (towards NW 51st St). I don't know if other GPS systems get this correct or not (I don't have a GPS system to check).