1. Jackish, J., Sethi, D., Mitis, M., Szymañski, T., Arra, I.: European facts and the Global status report on road safety 2015. WHO Regional Office for Europe, Copenhagen (2015).
http://www.euro.who.int/__data/assets/pdf_file/0006/293082/European-facts-Global-Status-Report-road-safety-en.pdf?ua=1
. Accessed 13 Oct 2018
2. BrainonBoard.ca Vulnerable Road Users: Pedestrians and Cyclists.
http://brainonboard.ca/program_resources/VulnerableRoadUsersPedestriansandCyclists_Fact_Sheet_Eng_4.pdf
. Accessed 13 Oct 2018
3. Olaverri-Monreal, C., Pichler, M., Krizek, G.C., Naumann, S.: Shadow as route quality parameter in a pedestrian-tailored mobile application. IEEE Intell. Transp. Syst. Mag. 8(4), 15–27 (2016)
4. World Health Organization Europe Road Safety: Fact sheets on sustainable development goals: health targets.
http://www.euro.who.int/__data/assets/pdf_file/0003/351444/3.6-Fact-sheet-SDG-Road-safety-FINAL-10-10-2017.pdf?ua=1
. Accessed 2 Oct 2018
5. Rostami, A., Cheng, B., Lu, H., Gruteser, M., Kenney, J.B.: Reducing unnecessary pedestrian-to-vehicle transmissions using a contextual policy. In: Proceedings of the 2nd ACM International Workshop on Smart, Autonomous, and Connected Vehicular Systems and Services - CarSys 2017, pp. 3–10 (2017)