Available and legal. Last spring we got to keep them on till mid May. Both my rigs are 4wd and I have studded tires all the way around. Even on the ice I was able to go and stop pretty well. But I am mindful not to be too confident in this weather. We have 14 inches so far, and it looks like it will snow into the morning. Then it will start getting cold.
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The ultimate result of shielding men from the effects of folly is to fill the world with fools.
-- Herbert Spencer, English Philosopher (1820-1903)