INSERT the following paragraphs:
Option:
00A The NYR3-21 sign (see Sign Drawing SD-R4) may be used to identify a lane from which only U-turn movements may be made.
Standard:
00B If used, the NYR3-21 sign shall be used in a manner similar to the R3-5 and R3-5a signs.
N.Y. Comp. Codes R. & Regs. Tit. 17 § 2B.20