NR 50.09(4)(c)3.a.a. Snowmobile highway signs shall conform with sign reflectorization, colors and legend listed in the Wisconsin manual of traffic control devices.
NR 50.09(4)(c)3.b.
b. With the exception of snowmobile guide and information signs, signs for use on snowmobile trails to regulate snowmobile traffic or advise the snowmobile user of a specific trail condition shall be totally reflectorized. Guide signs which assist the snowmobile driver to reach a destination shall have the letters and legend reflectorized. Information signs do not need to be reflectorized. Trail signs shall also conform with the following specifications and illustrations:
TRAIL BLAZER
Purpose: To delineate the trail and to reassure the user that he or she is on the trail
Size: 6 inches by 6 inches
Color: Orange
Purpose: Acceptable alternative to use of blazers in agricultural areas and other cleared areas.
Size: Minimum of 6 square inches of reflective orange material mounted 4 inches to 6 inches below top of stake. Material is mounted on each side of stake and stakes are installed in pairs. Top 12 inches to 16 inches of stake is painted non-reflective orange.
DIRECTIONAL ARROW
Purpose: Indicates a change in trail direction.
Minimum Size: 12 inches by 6 inches
Color: Yellow background with black border and legend
Legend: 10 inch black directional arrow.
STOP SIGN
Purpose: Halt snowmobile operators at a road crossing, railroad crossing or trail intersection.
Minimum size: 12 inches by 12 inches
Color: Red background and white letters and border.
Legend: 4 inch Upper case letters.
YIELD SIGN
Purpose: To notify snowmobile operator that the right of way should be given to other vehicles, snowmobiles or other trail users at trail intersections and limited vehicle crossings.
Minimum size: 12 inches by 12 inches by 12 inches
Color: Red background and letters with white border and center.
Legend: 4 inch Upper case letters.
REGULATORY - MOVEMENT
Purpose: To inform snowmobile operator of laws or regulations.
Minimum size: Either 12 inches by 18 inches or 12 inches by 12 inches.
Color: White background and black letters and border. Additional colors such as red or green may be added to reinforce sign message of snowmobile prohibition or permission.
Examples
ONE WAY
12 inches by 18 inches
SPEED LIMIT
12 inches by 18 inches
RESTRICTIVE
12 inches by 12 inches
DO NOT ENTER
12 inches by 12 inches
CAUTION SIGNS
Purpose: To advise the snowmobile operator to proceed with caution at a reduced speed or to advise of a specific trail condition.
Minimum size: 12 inches by 12 inches
Color: Yellow background and black letters and/or legend.
Examples
STOP AHEAD
12 inches by 12 inches
INTERSECTION
12 inches by 12 inches
CHEVRON
12 inches by 12 inches
HAZARD MARKERS
Left Right
Purpose: Used in pairs, hazard markers indicate the trail opening through which a snowmobile operator may pass over a bridge or culvert. The stripes of each sign face inward and show the bridge opening. Used singly, a hazard marker indicates a trail obstruction. The stripes of the sign point down toward the path around the obstruction.
Minimum size: 6 inches by 12 inches
Colors: Alternate black and yellow 45 degree diagonal stripes.
BARRIER MARKERS
Left Right
Purpose: Barrier markers are used in pairs to indicate a barrier or gate that restricts entry to a trail or road for snowmobiling. The stripes of each sign face inward and toward the center of the trail or road.
Minimum size: 6 inches by 12 inches
Color: Alternate red and white 45 degree diagonal stripes.
GUIDE SIGN
Purpose: Directs snowmobile operator to a destination.
Size: Variable - 2 inch Upper case letters
Colors: Brown background with reflective white letters and legend.
INFORMATION SIGNS
Purpose: Furnish information about trails or facilities.
Size: Variable - 2 inch Upper case letters.
Color: Brown background with white letters.
SPECIAL SIGN - CORRIDOR MARKER
Purpose: To indicate that the trail is part of the designated state corridor trail system.
Minimum size: 6 inches by 6 inches
Color: Blue background with reflective white border, shield and letters.
NR 50.09(4)(c)3.c.
c. Federal forest service sign specifications may be used on federal forest service lands.
NR 50.09(4)(d)1.1. Counties shall be required to groom and maintain snowmobile trails developed on lands receiving aids for acquisition and/or development.
NR 50.09(4)(d)2.
2. Trails shall be groomed to a minimum width of 4 feet for one-way and 8 feet for 2-way trails. Maximum width for a 2-way trail to be groomed shall be 12 feet unless the amount of snowmobile traffic and safety warrant grooming to a greater width as approved by the department.
NR 50.09(4)(e)1.1. For bridge rehabilitation projects that involve total deck replacement, the deck shall be reconstructed to a width of at least 8 feet, free from obstruction.
