The Maine Department of Inland Fisheries and Wildlife offers these Snowmobile Safety Tips:
Travel in groups and inform some responsible person of your plans
Know your machine and its capabilities
Respect the rights and property of others
If it is necessary to travel on frozen bodies of waters, do so with extra caution
When crossing a highway be sure the way is clear and cross as directly as possible
Know and obey Maine snowmobile laws
Do not use your machine to harass wildlife, or in areas frequented by game