Books & Maps
Route 66 GPS Attractions Guide
This solution is compatible with a wider range of Garmin models (check the vendor’s website for detailed info) and provides Points of interests on Route 66 along with alerts that you’re approaching such a point of interest.
It does not provide turn-by-turn directions to keep you on Route 66.
There is another version that provides turn-by-turn directions on a very select number of Garmin models