Dynamic driving task (DDT) (updated)

This term is part of the following categories: Human factors and Activity / Process.

Version: 3.0, Release date: October 2020

Definition: Real-time operational and tactical functions required to operate a vehicle safely in on-road traffic.

NOTE: Michon (1985) defines operational driving functions as those delivered over a time constant of milliseconds and include tasks such as steering inputs to keep within a lane or braking to avoid an emerging hazard; tactical driving functions are those delivered over a time constant of seconds and include tasks such as lane choice, gap acceptance and overtaking. The DDT excludes strategic functions, which are those delivered over a longer time constant and include tasks such as trip scheduling and selection of destinations and waypoints.

Previous version:

Version: 2.0, Release date: June 2020

Definition: Real-time operational and tactical functions required to operate a vehicle safely in on-road traffic.

NOTE: Excludes strategic functions such as trip scheduling and selection of destinations and waypoints.