Cooperative Intelligent Transport Systems (C-ITS) enable vehicles to ‘talk’ to other connected vehicles, roadside infrastructure and traffic management centre systems to share relevant safety-related messages for drivers. The driver is still in control of the vehicle, and there is no element of vehicle automation. This technology is being trialed through the Ipswich Connected Vehicle Pilot (ICVP), being delivered by the Queensland Department of Transport and Main Roads (TMR) with the support of CARRS-Q and the iMOVE Cooperative Research Centre (CRC). The pilot will include up to 500 public vehicles retrofitted with C-ITS technologies.
The pilot work being delivered by CARRS-Q aims to contribute to the establishment of a standardised methodology, support the collection of the data through participant management, and evaluate this core data set. This data will be used by transport agencies – local, state and federal – to support the investment of infrastructure, both digital and physical, that supports emerging C-ITS. In the future, this data and results could also be used by others to perform, compare or supplement an evaluation.
The CARRS-Q ITS team conducted two C-ITS tests at the Mt Cotton Driver Training Centre. During the first test, we installed a vehicle ITS station (V-ITS-S) within a subject vehicle, and collected a series of Cooperative Awareness Message (CAM) samples to validate their accuracy across a series of vehicle manoeuvres.
The purpose of the test was to collect in-vehicle CAM data providing vehicle performance information as would be provided by a vehicle in ICVP. The intention was to cover a variety of speed, acceleration, braking and lane changing behaviours so as to determine whether vehicle behaviour can be determined from logged CAM data. Moreover, additional data was collected from an accelerometer and CAN bus (vehicle communication network) logger.
In the second test, four devices from different V-ITS-S vendors were installed in the subject car and collected vehicle CAM data from the four devices. The series of CAM messages from each device was captured to compare the four devices performance and accuracy across a series of vehicle manoeuvres to the vehicle CAN speed data logged at 50 Hz. This test covered three scenarios namely speed, braking/acceleration and lane change tests.
During November 2020, 355 participants signed up and are taking part in ICVP, which will run for 9 months on the streets of Ipswich and surrounds.
Funding / Grants
- iMOVE CRC, Queensland Government (2017 - 2021)
- Elhenawy, Mohammed, Bond, Andy, Rakotonirainy, Andry, Barth, M, Sanchez-Medina, J (2018) C-ITS safety evaluation methodology based on cooperative awareness messages Proceedings of the 2018 21st International Conference on Intelligent Transportation Systems (ITSC), pp.2471-2477.