[purpleraine]

Tell her to keep her cell phone charged and pay attention to the service signs just prior to many off-rams. Also, look at the billborads to see what businesses are up ahead. Stop every two hours or so at stations/food marts.

[Sacajaweau]

Tell her to use her Visa card. It will provide an electronic trail and set "specific" times to call home.

If she doesn;t have GPS tracking on her phone...get her one that does.