Naah Cal this is simply a case of pilfered Prozac, as in his got stolen and now he's a raving lunatic
Other than that perhaps he mistook JG for someone else who "wronged" him back down the road. Or he's just an a.., hmmm, mule's rectum.
ps - JG, I think you mean RT28 towards Wolfeboro (28A empties into 28). RT11, 11A, 11B, 11C and even 11D are up the other side of Alton Bay. There may be an 11E for all I know
Gotta love the NH way of numbering hiways.