N.Y. Comp. Codes R. & Regs. tit. 17 § 2B.103
Standard:
01 The NO TRUCKS BUSES TRAILERS LEFT LANE (NYR4-17) sign (see Sign Drawing SD-R6) shall be used where particular types of vehicles are prohibited from using specific lanes. The NO TRUCKS BUSES TRAILERS LEFT LANE sign shall be placed at, or near, the beginning of the regulation.
Guidance:
02 Additional NO TRUCKS BUSES TRAILERS LEFT LANE signs should be placed throughout the regulated section, at intervals generally not exceeding one mile. Where the prohibition applies to the left lane on a one-way roadway, the signs should be placed on the left side of the roadway.
Option:
03 The USE TWO LANES (NYR4-11) sign (see Sign Drawing SD-R6) may be used where it is desired to encourage effective use of all available travel lanes. The legend on the USE TWO LANES sign may be modified, as required by the applicable regulation, using appropriate wording in the specified letter size and series. Sign sizes may be adjusted, as necessary, to accommodate modified legends. Additional USE TWO LANES signs may be placed within the applicable roadway section, as needed.
04 The DO NOT CROSS DIVIDER (NYR4-18) sign (see Sign Drawing SD-R6) may be used in conjunction with a solid double white line to emphasize that crossing the marking is prohibited.
Standard:
05 The USE TWO LANES sign shall be used only where lane markings are used.
Guidance:
06 The legend on the USE TWO LANES sign should state the number of lanes available for the traffic to which it applies. Where used, the USE TWO LANES sign should be placed at, or near, the beginning of the applicable roadway section.
07 Where used, the DO NOT CROSS DIVIDER sign should be placed at, or near, the beginning of the solid double white line. Where the prohibited movement is on the left side of a one-way roadway, the signs should be placed on the left side of the roadway.
Option:
08 Additional DO NOT CROSS DIVIDER signs may be placed within the section containing the restriction, as needed.
N.Y. Comp. Codes R. & Regs. Tit. 17 § 2B.103