|SS 872 Light Emitting Diode Traffic Signal Lamp Units|
Supplemental Specification 872
LED signal lamp units shall conform to the criteria established in item 872.03.
3. Sampling and/or Inspection Requirements:
Requirements shall conform to item 872.04.
4. Method of Tests:
Requirements shall conform to Institute of Transportation Engineers (ITE) publication ST-011B Pedestrian Traffic Control Signal Indications ( PTCSI) and Vehicle Traffic Control Signal Heads (VTCSH), part 2: Light Emitting Diode (LED) Vehicle Traffic Signal Module.