When the truck stops for another red light, the girl catches up
> again. She jumps out of her car, runs up and knocks on the door.
> Again, the trucker lowers the window. As if they've never spoken,
> the blond says brightly, "Hi my name is Heather, and you are losing
> some of your load!"
> Shaking his head, the trucker ignores her again and continues down
> the street. At the third red light, the same thing happens again.
> All out of breath, the blond gets out of her car, runs up, and
> knocks on the truck door. The trucker lowers the window. Again she
> says, "Hi my name is Heather, and you are losing some of your load!"
> When the light turns green the trucker revs up and races to the next
> light. When he stops this time, he hurriedly gets out of the truck,
> and runs back to the blond. He knocks on her window, and as she
> lowers it, he says.. "Hi, my name is Kevin, it's winter in MICHIGAN
> and I'm driving a SALT TRUCK!
> again. She jumps out of her car, runs up and knocks on the door.
> Again, the trucker lowers the window. As if they've never spoken,
> the blond says brightly, "Hi my name is Heather, and you are losing
> some of your load!"
> Shaking his head, the trucker ignores her again and continues down
> the street. At the third red light, the same thing happens again.
> All out of breath, the blond gets out of her car, runs up, and
> knocks on the truck door. The trucker lowers the window. Again she
> says, "Hi my name is Heather, and you are losing some of your load!"
> When the light turns green the trucker revs up and races to the next
> light. When he stops this time, he hurriedly gets out of the truck,
> and runs back to the blond. He knocks on her window, and as she
> lowers it, he says.. "Hi, my name is Kevin, it's winter in MICHIGAN
> and I'm driving a SALT TRUCK!
This joke could just as easily be a Canadian one too, we get a fair bit of the white stuff north of Michigan too! So funny 
