1. (b) This sign shall be used to mark highways or parts of highways where the use of snowmobiles is permitted by official designation in conformance with section 25.05 of the Parks, Recreation and Historic Preservation Law.
2. (c) Snowmobile is defined in section 21.05 of the Parks, Recreation and Historic Preservation Law.

3. (d) Subdivision 7 of section 25.05 of the Parks, Recreation and Historic Preservation Law permits the operation of snowmobiles on the following portions of highways, other than the Thruway, interstate highways or controlled-access State highways, upon official designation by the appropriate governmental agency:

   1. (1) shoulders and inside banks;
   2. (2) access areas not to exceed 1,500 feet when, in the determination of the governmental agency concerned, it is otherwise impossible to gain immediate access to an area adjacent to the highway; and
   3. (3) on roadways of such highways where the outside banks are determined by the governmental agency to be impassable.
4. (e) The snowmobile route marker shall be used in combination with the appropriate M41 (as specified in the New York State Manual of Uniform Traffic Control Devices) through M48 (as specified in the New York State Manual of Uniform Traffic Control Devices) directional marker arrow to indicate the direction of permitted use. The directional marker arrow shall be mounted immediately below the snowmobile route marker and shall have a color combination of white legend on brown background.
5. (f) It shall be located at intervals, as necessary, to clearly mark the permitted path of travel, and at turns in the path. It shall be located three feet to the right of the permitted path, at a height of at least four feet.
6. (g) The M57 (as specified in the New York State Manual of Uniform Traffic Control Devices) sign, supplemented with an M45 white-on-brown directional marker arrow, may be used to indicate the location of a recognized snowmobile trail crossing.
7. (h) The use of the snowmobile route marker shall be limited on a seasonal basis to between October 15th of one year and May 15th of the succeeding year.

(a) Design.

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