SS 872 Light Emitting Diode Traffic Signal Lamp Units

1. Specification:

Supplemental Specification 872

2. Materials:

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.