Description of PAS 1882:2021 2021

This PAS specifies requirements for the collection, curation, storage and sharing of information during automated vehicle trials and advanced trials in the UK in relation to information collected or received by the trial system. This PAS covers all automated and co-operative automated driving vehicle trials on any land with public access.

The requirements relate to data deemed essential to the operation of the automated driving system (ADS). This also includes information the system or Trialling Organization (TO) might receive, generate or hold but which is not used for the direct operation of the vehicle.

In addition to the main requirements, the PAS includes recommendations for additional information for a TO to seek to collect, if possible.

The aim of the PAS is to promote consistency in information collection across TOs wherever practicable and to improve safety across all trials being undertaken in the UK.

This PAS builds on the requirements of PAS 1881, Assuring the safety of automated vehicle trials and testing – Specification, which provide the safety case framework for such trials by supporting operational safety assurance through the development of information requirements for incident investigation. This PAS recognizes that developments in automated vehicle technologies and associated information capture have the potential to answer key questions in factfinding safety investigation, including, for example:

• What were the elements of the system and the system boundary at the time of the event?

• Was the vehicle operating within its operational design domain (ODD)?

• What was the internal state of the vehicle? Were any capabilities failed or degraded?

• What was the state of external sources of information/control? Were any capabilities failed or degraded?

• Was the system subject to active security attack?

• When did the system realize that an event was about to occur? How did it become aware?

• What functions were active at the time of the event?

• What actor was in charge of the vehicle at the time of the event? When did the last handover occur?

• Can the system provide detail about how the crash occurred?

• What were the weather conditions at the time?

• What was the vehicle’s road position at the time of the event? What lane was each vehicle in?

• What actions did the vehicle intend to take next?

• What was the road layout at the time?

• Which other road users were nearby and what were those road users doing?

• Did either vehicle try to swerve or slam on their brakes?

• How fast was each vehicle travelling?

• Where did the vehicles travel after the incident?

• Was there debris from either vehicle or damaged property?

• Were there any other persons or vehicles nearby who might be witnesses?

This PAS is intended for use by organizations conducting automated vehicle trials. It is informative for other stakeholders including emergency services, insurers, legal service providers, and road/highways authorities.

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