1. URL: https://interestingengineering.com/connected-vehicles-in- smart-cities-the-future-of-transportation
2. URL: https://www.academia.edu/21181336/Smart_City_Roadmap
3. URL: https://www.fastcompany.com/3047795/the-3-generations-of- smart-cities
4. URL: https://www1.nyc.gov/site/forward/innovations/smartnyc.page
5. URL: https://www.expatriatelifestyle.com/life-and-style/What-Is-A-Smart-City