New York Codes, Rules and Regulations
Title 17 - DEPARTMENT OF TRANSPORTATION
Chapter V - New York State Supplement To The National Manual On Uniform Traffic Control Devices For Streets And Highways-2009 Edition
Part 2 - Signs
Chapter 2C - Warning Signs And Object Markers
Section 2C.112 - CHILDREN AT PLAY Sign (NYW7-4)

Option:

01 The CHILDREN AT PLAY (NYW7-4) sign (see Sign Drawing SD-W19) may be used, as necessary, to warn of an area where children customarily play.

Guidance:

02 Use of the CHILDREN AT PLAY sign should be limited to locations where, because of unusual conditions, motorists might not expect children playing in the vicinity of the roadway. The CHILDREN AT PLAY sign should not be used on highways where obvious residential development alerts motorists to the possibility of children at play.