SAE J3045

Truck and Bus Lane Departure Warning Systems Test Procedure and Minimum Performance Requirements

Issuing bodySAE
CommitteesSAE International
First issued2015
Latest revision2025
Statusactive
Categoryindustry
Topicsadas_effectiveness, auditory_warnings, lane_changing
Referencehttps://www.sae.org/standards/content/j3045_202502/

Scope

Recommended Practice establishing a uniform powered-vehicle test procedure and minimum performance requirements for lane departure warning systems (LDWS) on highway trucks and buses over 4546 kg GVW. Tests lane-presence and unintended-departure detection, LDWS engage/disengage indication, and the point at which the system notifies the driver human-machine interface of a departure event. Excludes lane-keeping/assist, merge assist, and trailers.

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