After repeated use, these roads may cause the ice to weaken. Therefore, they nay not be the safest route. If you're on a snowmobile or driving a vehicle, be especially cautious at night or when is snowing. The falling snow or darkness obscures thin ice or open holes. Should you break through the ice, proper clothing can increase your chances of survival.
Snowmobile suits are available with inflatable flotation elements.
Carry a couple of large nails with caps on the sharp end and a length of light nylon rope in your pocket. The nails can help you pull yourself out of the water and onto the slippery ice. Use the line to rescue someone else. If you make your own ice picks remeber to put a cap on the sharp end so they don't stab you if you fall down. Two short lengths of broom handle with nails sharpened on both ends and joined with piece of string can be carried easily in pocket Remeber to put caps on the sharp ends.