N.Y. Comp. Codes R. & Regs. tit. 17 § 2C.103
Option:
01 The 5 TON BRIDGE (NYW3-19), 10 TON WEIGHT LIMIT (NYW3-30), NO R PERMIT TRUCKS (NYW3-31a), and NO R PERMIT TRUCKS W (NYW3-31b) signs (see Sign Drawing SD-W5) may be used to warn of bridges, elevated structures, or highways where weight restrictions are in effect.
02 The 5 TON BRIDGE sign may be used in conjunction with weight limit signs (see Section 2B.59) indicating the safe capacity of bridges or elevated structures.
03 The 10 TON WEIGHT LIMIT sign may be used in conjunction with weight limit signs posting weight restrictions established by order, ordinance, rule, or regulation.
04 The NO R PERMIT TRUCKS sign may be used to warn of bridges or elevated structures which vehicles operating pursuant to overweight permits having structure use restrictions (known as "R" permits) are not allowed to use.
05 The NO R PERMIT TRUCKS W sign may be used to warn of bridges or elevated structures which vehicles operating pursuant to overweight permits having structure use restrictions (known as "R" permits) are allowed to use.
Guidance:
06 Where used, the 5 TON BRIDGE, NO R PERMIT TRUCKS, and NO R PERMIT TRUCKS W signs should be used on the immediate approaches to the bridge.
07 Where used, the 10 TON WEIGHT LIMIT sign should be used at locations where affected traffic can detour or conveniently turn around in advance of a highway section on which a weight restriction has been established.
08 5 TON BRIDGE, 10 TON WEIGHT LIMIT, NO R PERMIT TRUCKS, and NO R PERMIT TRUCKS W signs placed more than 1000 feet in advance of the bridge or restricted highway section should be supplemented with Distance plaques (see Section 2C.55) stating the distance to the bridge or restriction.
09 5 TON BRIDGE, 10 TON WEIGHT LIMIT, NO R PERMIT TRUCKS, and NO R PERMIT TRUCKS W signs should not be used on highways intersecting the highway or touring route on which the bridge or restriction is located.
Option:
10 Additional 5 TON BRIDGE, NO R PERMIT TRUCKS, and NO R PERMIT TRUCKS W signs may be used, as necessary, along the highway or touring route on which the bridge is located.
11 The 10 TON WEIGHT LIMIT sign may also be used on the immediate approaches to the restricted highway section.
Guidance:
12 Where the 5 TON BRIDGE, NO R PERMIT TRUCKS, and NO R PERMIT TRUCKS W signs are used in advance of the bridge, they should be placed at locations where affected traffic can detour or conveniently turn around.
Option:
13 Additional 5 TON BRIDGE, 10 TON WEIGHT LIMIT, NO R PERMIT TRUCKS, and NO R PERMIT TRUCKS W signs may be placed immediately beyond intersections where affected vehicles might enter the highway or touring route on which the bridge or weight restriction is located.
Standard:
14 The loads displayed on the 5 TON BRIDGE and 10 TON WEIGHT LIMIT signs shall be the same as the weight limits displayed on the R12 series sign with which they are associated.
N.Y. Comp. Codes R. & Regs. Tit. 17 § 2C.103