An attacker could very well use a GPS jammer. Treating the navigation problem as a graph problem, placing these jammers where's needed in order to make the truc

An attacker could very well use a GPS jammer. Treating the navigation problem as a graph problem, placing these jammers where's needed in order to make the truck to follow the signs alone. Your line of thinking is really good. A well-crafted attack is hard to execute and little things can very well ruin an attack sequence. A subtle the difference between academic research and the real world.