Driver monitoring for fatigue and distraction has become a major focus of automotive safety regulators and governments worldwide. This trend looks set to continue in SAE level 2 (partial) and 3 (conditional) semi-autonomous vehicles. If and when cars appear on the road in a highly automated mode, driver monitoring will become even more significant. Continuing just-auto/AIC's series of research snapshots, Matthew Beecham assesses the current state of play with driver monitoring systems and some regulatory forces driving them.