Reads as you are almost ready to patrole road between AO and town....
Was thinking about perhaps a "horn" for it also? One from an old supertanker-liner might be to large though, but perhaps one from a truck would fit? Imagen yourself being the only one behind a car that is standing infront of a red light, and the driver of that car is missing the light having turned to green, and you then honk your horn....