SAE FMVSS 108:1968-01-01

This standard specifies requirements for original and replacement lamps, reflective devices,and associated equipment.

The purpose of this standard is to reduce traffic accidents and deaths and injuries resulting from traffic accidents, by providing adequate illumination of the roadway, and by enhancing the conspicuity of motor vehicles on the public roads so that their presence is perceived and their signals understood, both in daylight and in darkness or other conditions of reduced visibility.