On The Road
Planning is essential for your road trip. After the activity of packing, loading, outprocessing, and all of the other considerations involved in leaving your old home behind, the travel to your new home might seem simple by comparison. Take the time to develop at least a basic outline of your trip. You may find that a little strategizing before departure can avoid some annoyance and extra expense on the road.
A cell phone is an important part of any cross-country excursion. Roaming rates can be a little bit expensive, but the ability to summon help in a pinch typically outweighs this concern. Make sure you have a car-charger for your phone. Away from main population centers, you're likely to end up using analog towers which will drain your battery very rapidly.
Pace yourself. If you feel run down, take it easy. Consider stopping early and relaxing in a hotel to recharge. Burning a day or two of leave enroute is much better than placing yourself and your family at risk. Falling asleep at the wheel happens all the time. Don't put yourself in that situation.
Some considerations that might easily be overlooked: