Do you swap your undercarriages as well? 
Here, when it ices over ("snow" is a sinful word, as it rarely, rarely happens) they just drop sand on on/off ramps, fly overs, and bridges. Then a few special places, ie the roads with a 35-40 degree incline.
Here, when it ices over ("snow" is a sinful word, as it rarely, rarely happens) they just drop sand on on/off ramps, fly overs, and bridges. Then a few special places, ie the roads with a 35-40 degree incline.