> 4. I'm not a trucker, nor an SUV driver, but something to account for high-height vehicles could be useful for many.
This exact issue causes a fair number of trucks to hit this one specific bridge [0] in Durham, NC. Blindly following a GPS meant for cars when you have a tall vehicle is a recipe for disaster.
[1] http://championtrucklines.com/latest-news/11foot8-bridge-cra...
[2] http://chapelboro.com/news/news-around-town/durham-can-opene...
[3] http://www.thetruckersreport.com/truckingindustryforum/threa...