LED Traffic Signals now come in all 3 colors-- Red, Green and Amber.

ITE ( Institute of Transportation Engineers ) has an Interim LED Purchase Specifiction for Vehicle Traffic Control Signal Heads dated June 27, 2005.

The purpose of this specification is to provide the minimum performance requirements for 300mm (12") and 200mm (8") LED traffic signal modules.

K-Light Laboratories is set up to do all the Photometric, Chromaticity and Temperature degradation tests as called out in this specification.

All test will be certified and are traceable to NIST.

Please give us a call to answer any other questions regading this issue.