Overhead shot of cloverleaf intersection south of Mexico City, showing several cars driving, a parking lot, soccer fields in the lower right corner, trees and some red roofs

aerial view driving highway traffic transportation connection infrastructure route circuit circulation climate change commute connected course crossroads curve direction horizontal journey loop path round track transfer transport vehicle bound complicated copy space cycle interstate motorway passage air pollution avenue city life clover crossing downtown district intersection lane modern morning pathway ramp social issues tangled mexico mexico city