Everybody else is suggesting remote human intervention from an operations center, but those would likely suffer from hold times and dead zones. What if, as an

Everybody else is suggesting remote human intervention from an operations center, but those would likely suffer from hold times and dead zones. What if, as an additional option, a touchscreen in the car highlighted the car's planned route, and the humans inside could drag the line to reroute, and/or add waypoints to the route? This would get around most farmer's markets and road closures. And/or they could tap to indicate a semi-permanent obstruction, and the car would do the rerouting.