Method › Concepts › Dynamic driving task (DDT)
ROAT-CON-DDT · concept
Also: DDT · Fahraufgabe · dynamická úloha riadenia
All real-time operational and tactical functions required to operate a vehicle in on-road traffic: lateral and longitudinal motion control, object and event detection and response, and manoeuvre planning. Strategic functions such as trip scheduling and the choice of destination are not part of it. In the Observatory the question of who performs the DDT separates the automated driving system from every human role: a role that supervises, assists, intervenes or dispatches does not perform the DDT.
Locus in the sources
Related concepts
In Module 03 · column “DDT” · snapshot 2026-09-07 review snapshot
| Role | DDT |
|---|---|
| Human driver UNECE / 1968 Vienna Convention | Yes |
| ADS as functional substitute for driver requirement UNECE / 1968 Vienna Convention | System |
| Remote assistance / remote interaction UNECE ADS work / technical interpretation | No |
| Transport / service operator European Union – Regulation (EU) 2022/1426 | No |
| Remote management function European Union – Regulation (EU) 2022/1426 / JRC interpretation | No |
| Authorised self-driving entity / ADS legal-responsibility entity Great Britain – Automated Vehicles Act 2024 | No |
| User with limited in-vehicle legal duties during self-driving Great Britain – Automated Vehicles Act 2024 | No while engaged |
| No-user-in-charge operational entity Great Britain – Automated Vehicles Act 2024 | No |
| Technical remote supervisor Germany – StVG / AFGBV | No continuous |
| Automated road transport system operator France – STRA framework | No |
| Authorised remote intervention person France – STRA / automated-driving framework | No – intervention … |
| In-vehicle operator during automated operation Croatia – Road Traffic Safety Act | No |
| Remote intervention operator Croatia – Road Traffic Safety Act | No |
| Licensed fully automated vehicle operator Slovakia – parliamentary print 1329 (draft) | No |
| Supervision operator Slovakia – parliamentary print 1329 (draft) | No continuous |
| Level 3 fallback-ready user SAE J3016 | After takeover |
| Remote human driver SAE J3016 | Yes |
| Trip-dispatch / strategic user SAE J3016 | No |
| Prototype ADS fallback test driver SAE J3018 | Conditional |
| In-vehicle prototype fallback test driver SAE J3018 | After takeover |
| Remote prototype fallback test driver SAE J3018 | Possible during fa… |
| Safety driver in public-road AV testing California – DMV testing regime | Conditional |
| AV testing permit holder California – DMV AV program | No |
| Automated-vehicle trial permit holder Sweden – Swedish Transport Agency | No |
| ADS lifecycle safety entity Australia – proposed Automated Vehicle Safety Law framework | No |
| Driverless-operation permission holder Japan – Road Traffic Act SAO framework | No |
| Remote operational supervisor Japan – Road Traffic Act SAO framework | No |
| Automated commercial vehicle pilot participant Ontario, Canada – ACMV Pilot Program | No |
| Driverless-test oversight assistant Ontario, Canada – ACMV Pilot Program | No regular |
| Vehicle owner as statutory responsibility holder Croatia – Road Traffic Safety Act | No |
In Module 02 · column “DDT / fallback allocation” · snapshot 2026-09-07 review snapshot
| Regime | DDT / fallback allocation |
|---|---|
| Germany – current law | ADS performs DDT; system must comply with road rules and achieve minimum-risk condition where necessary |
| France – current law | ADS performs DDT; remote intervention supports defined situations without collapsing into ordinary remote driving |
| Croatia – current law | ADS performs driverless operation; remote intervention supports defined operational/safety functions |
| Great Britain – 2026 transitional current law | Authorised ADS performs self-driving task; user-in-charge duties are separated where relevant |
| China – current transitional regime | L3 ADS performs DDT within approved conditions; human fallback remains relevant to L3 design |
| China – 2026 Road Traffic Safety Law draft prospective | ADS continuously performs full DDT within design operating conditions; L2 assistance is expressly distinguished |
| Slovakia – current law (31 Aug 2026) | Current framework remains structurally driver/test oriented; dedicated driverless DDT allocation is incomplete |
| Slovakia – CPT 1329 prospective model prospective | ADS should remain DDT performer; current wording risks transferring DDT remotely to supervisor in some clauses |
Cite this concept
ROAT Observatory, concept Dynamic driving task (DDT) [ROAT-CON-DDT], approved definition, 2026-09-07. Jozef Andraško. /method/concepts/dynamic-driving-task/