N.Y. Comp. Codes R. & Regs. tit. 17 § 2C.50
INSERT the following paragraphs:
Option:
01A The Wild Horse (W11-22) symbol sign may be used wherever riderless horses are likely to be crossing the highway, whether or not they are wild.
Guidance:
02A Nonvehicular Warning signs should not be used: in advance of crossings where traffic is controlled by traffic control signals; where traffic on the approach is controlled by a STOP sign, YIELD sign, or flashing red signal at the crossing location; or on the same approach with an Intersection Warning sign (see Section 2C.46 ).
02B The W11-4, W11-7, W11-17, 11-19, and W11-22 signs should only be used to warn of well-defined crossings where farm or ridden animals regularly cross a highway.
02C The W11-3, W11-16, W11-18, W11-20 and W11-21 signs should be used only after wildlife crossing locations or sections have been carefully determined and there is evidence, such as wildlife accidents or local wildlife sightings, that motorist warning is necessary. The regional wildlife manager of the Department of Environmental Conservations should be consulted in determining locations where wildlife crossing signs would be appropriate.
Guidance:
04A The diagonal downward pointing arrow (W16-7P) plaque should not be used with W11-16, W11-17, W11-18, W11-19, W11-20, or W11-21 signs, or with other signs in this series where road crossing locations are unpredictable.
N.Y. Comp. Codes R. & Regs. Tit. 17 § 2C.50