N.Y. Comp. Codes R. & Regs. tit. 17 § 2C.119
Option:
01 The Safety Zone (NYW9-5) sign (see Sign Drawing SD-W34) may be used to warn of pedestrian safety zones established pursuant to Section 141 of the New York State Vehicle and Traffic Law.
Support:
02 Pedestrian safety zones are channelizing islands, established for pedestrian protection, where traffic may pass on either side. The Safety Zone sign is similar in function to the W12-1 sign (see Section 2C.25) as traffic is allowed to pass on either side of the island.
Guidance:
03 Where traffic must pass on one side of the pedestrian safety zone, a Keep Right (R4-7) or Keep Left (R4-8) sign (see Section 2B.32) should be used.
04 Where used, the Safety Zone sign should be placed in the pedestrian safety zone, as close as practicable to the approach end, facing approaching traffic. It should be placed at a height of at least seven feet.
N.Y. Comp. Codes R. & Regs. Tit. 17 § 2C.119