1. American Society of Civil Engineers (A.S.C.E.). Infrastructure Report Card; 2017
2. Picture of Vidalta Cable Stayed Bridge, Mexico City. Available from: https://www.plataformaarquitectura.cl/cl/02-304269/puente-vidalta-mexpresa
3. Barker RM, Puckett JA. Design of Highway Brides. 3rd ed. Wiley; 2013
4. Picture of Mexico City Road System. Available from: https://periodicocorreo.com.mx/abren-manana-el-distribuidor-vial-en-la-glorieta-santa-fe/
5. Picture of Forth Bridge, located on Edinburgh, Scotland. Available from: https://www.railway-technology.com/projects/forth-rail-bridge-firth-scotland/