"91 express lanes. (2024). RCTC, Available at: https://www.rctc.org/projects/i15-91-express-lanes-connector/(Accessed: April 12, 2024). "

"Austrian administration, Electric cars and e-mobility (2023). Oesterreich, Available at: https://www.oesterreich.gv.at/en/themen/mobilitaet/elektroautos_und_e_mobilitaet.html (Accessed: November 11, 2023)."

"Dulles Greenway (2024). VDOT, Available at: https://www. vdot.virginia.gov/travel-traffic/commuters/hov/(Accessed: April 12, 2024)."

"e-nara (2023). Statistics KOREA Government Official Work Conference, Available at: https://www.index.go.kr/enara (Accessed: December 14, 2023)."

"E-NEXCO ETC Toll (2023). E-NEXCO, Available at: https://www. driveplaza.com/(Accessed November 21, 2023)."

"eToll (2024). eToll, Available at: https://etoll.ie/low-emissions- vehicle-toll-incentive/(Accessed: April 12, 2024)."

"Information Ontario. Canada Express Toll Route (2023). 407ETR, Available at: https://www.407etr.com/en/index.html (Accessed: November 21, 2023)."

"Korea Development Institute (KDI) (2020). From midnight on the 24th, toll fee reduction for travel between Daegu and Busan, as well as Seoul and Chuncheon, Available at: https://eiec.kdi.re.kr/policy/materialView.do?num=208758& topic=&pp=20&datecount=&recommend=&pg= (Accessed: December 21, 2023) (in Korean)."

"Kim, M. and Kim, H. (2023). “Analysis of transit ridership and factors affecting willingness to use PM as an alternate mode underpandemic situation.” Journal of Korean Society of Trans- portation, Vol. 41, No. 7, pp. 846-860 (in Korean)."

"Krehic, L. (2022). “How do increases in electric vehicle use affect urban toll ring prices?” Public Choice, Vol. 193, pp. 187-209."

"Ministry of Transport (2023). China Highway: Length of Highway: Expressway, Available at: https://www.ceicdata.com/en/china/highway-industry-overview/cn-highway-length-of-highway- expressway (Accessed: November 24, 2023)."

"The Norwegian Electric Vehicle Association (2023). Eco-friendly car benefits, Available at: https://www.elbil.no (Accessed: December 2, 2023)."

"The Toll Roads of Orange County (2023). Toll Violation, Available at: https://www.thetollroads.com (Accessed: November 24, 2023)."

"VINCI Autoroutes (2024). VINCI, Available at: https://www.vinci. com/vinci.nsf/en/index.htm (Accessed: April 12, 2024)."