The municipality of Alta in Finnmark, Norway, has created a folder informing citizens on how to behave when encoutering moose in populated areas. The folder is also available online here.
I have translated a few bits from the folder below:
“Is the Moose dangerous? It’s important to be aware of the fact that the moose is a wild animal that can defend itself and thereby become a danger.”
Undisturbed moose grazes near housing area. Do not try to get the mooses attention by screaming and yelling, throwing snowballs or by approaching it.
Attentive moose: The moose has become aware of a disturbance, and has not yet decided to stay or flee.
Aggressive and dangerous moose: This moose is aggressive. Notice that it's neck hairs are standing up, it is holding it's head low and the ears are held flat. This is dangerous. Remove yourself from the area as quickly as possible. The moose can attack at any moment.
Attacking moose: The situation is life threatening and must be avoided at any cost. YOU CAN NOT OUTRUN A MOOSE!