At level 4, an automated driving system can perform all driving tasks and monitor the driving environment for an entire trip, with no human intervention required in certain operating conditions. Autonomous driving at level 4 – a term that is increasingly becoming common even outside the mobility industry and raising high expectations. But what exactly does this classification entail, and what.

This article uses sae level 4 highway pilot as a case study to analyze the requirements, design principles, and evaluation criteria of autonomous driving system architectures.