1. James Watt School of Engineering, University of Glasgow, Glasgow, G12 8QQ, UK and Transport for London (TfL) HeadQuarter, 14 Pier Walk, Greenwich Peninsula, London SE10 0ES, UK
2. James Watt School of Engineering, University of Glasgow, Glasgow, G12 8QQ, UK
3. Artificial Intelligence Research Center (AIRC), Ajman University, UAE
4. James Watt School of Engineering, University of Glasgow, Glasgow, G12 8QQ, UK and Artificial Intelligence Research Center (AIRC), Ajman University, UAE