  This report presents Waymo's proposal for a systematic fatigue risk
management framework that addresses prevention, monitoring, and mitigation of
fatigue-induced risks during on-road testing of ADS technology. The proposed
framework remains flexible to incorporate continuous improvements, and was
informed by state of the art practices, research, learnings, and experience
(both internal and external to Waymo). Fatigue is a recognized contributory
factor in a substantial fraction of on-road crashes involving human drivers,
and mitigation of fatigue-induced risks is still an open concern researched
world-wide. While the proposed framework was specifically designed in relation
to on-road testing of SAE Level 4 ADS technology, it has implications and
applicability to lower levels of automation as well.
