For RV owners, trip planning is more than just plotting our course on a road map. As big rig RV owners, we truly appreciate the importance of having the best tools to help us navigate our Nation’s roadways safely. Those of us who pull large fifth wheels or drive high-profile motorhomes need to be aware of low clearances, narrow and windy roads, and road obstacles. Any one of those or combination of could spell disaster if we’re not prepared for them. This is precisely why we recently tested the Rand McNally OverDryve 7 RV GPS.