If you are future-proofing your fleet, buy a PDF of the current standard but follow the "Informative Annexes" regarding vision systems.

Including automated guided carts, "bots," tunnel tuggers, and under-carts.

It does cover trucks guided purely by mechanical means (like rails), remotely-controlled vehicles, or those used in public areas or explosive environments. Core Safety Requirements

: Rules to prevent physical hazards, such as sharp edges or pinch points where feet could be trapped.

The benefits of ISO 3691-4:2019 include:

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