Document presents research on Safety Performance Indicators (SPIs) for continuous monitoring and evaluation of Automated Driving Systems safety. Leading indicators anticipate outcomes through metrics including time-based, distance-based, probability-based and deceleration-based measures; lagging indicators confirm outcomes after occurrence such as crashes and injuries. Analysis of 21 datasets identified SHRP2 as primary source with 1402 crashes and 5262 near-crashes. Performance evaluation using Distance Headway and Time-to-Collision achieved Area Under the Curve close to 0.9 distinguishing crashes and near-crashes from normal driving. Main bottleneck identified is data quality and scarcity of reliable safety event labels.
ETRTO answers questions raised by India concerning the strength test of the proposed GTR and its alignment with US regulations.
Lastest version of the draft provisions concerning tire markings, addressing in particular both human and “Optical Character Recognition” legibility.
Four paragraphs in the draft gtr (version 24 Feb) contained references to type approval when the text should be neutral concerning type approval or self-certification. The text in these paragraphs was therefore changed.
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Working Party on Brakes and Running Gear (cf French: Groupe de Rapporteurs sur le Roulement et le Freinage)
Global Technical Regulation