Taxonomy

for

Connected Cooperative and Automated Mobility (CCAM)

Response time

Added:12/06/2025
Contributor:FAME

Current consensus

Response time refers to the time taken by a road user or a system to react to a given event.

Explanation

The time that elapses from the instant that the driver recognizes the existence of a hazard in the road, to the instant that the driver takes appropriate action, for instance, applying the brakes.

Reference: SOTIF ISO-PAS 21448:2022
Related terms: Hazardous eventSpeed valueDistance to subject vehicleAcceleration valueDeceleration valueIlluminationEnvironmental conditionTime to collisionRange
Contexts:
VehicleUser
CEM

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#.box: fill=#fff stroke=#60BB46 title=bold #lineWidth:1.5 #.basebox: title=italic visual=roundrect fill=#fff #padding:8 #.table: fill=#fff visual=roundrect body=center title=bold [<box>Response time] [<box>Response time] -- [<table>Related terms| Hazardous event| Speed value| Distance to subject vehicle| Acceleration value| Deceleration value| Illumination| Environmental condition| Time to collision| Range] Response time Related terms Hazardous event Speed value Distance to subject vehicle Acceleration value Deceleration value Illumination Environmental condition Time to collision Range

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Taxonomy for Connected Cooperative and Automated Mobility (CCAM) v1.0.0 | Funded by the EU HORIZON programme | © All rights reserved 2025