This project transformed a 125-kilometer road in the Central American nation of Belize, between the country’s international airport and the Mexican border, from a frequently flooded and unsafe passage into a vastly more sustainable artery.
A beautiful but treacherous stretch of two-lane highway in the eastern forests of British Columbia has been smoothed out thanks to innovative solutions for building four bridges, nine viaducts and seven earthwalls on steep slopes.
Construction crews were working to remove weight from a potential slide area prior to the total failure of a heavily traveled stretch of mountain highway.
When completed in 2025, the new paved road will reach a hydroelectric plant just a few miles from the Machu Picchu sanctuary. Travelers can either continue on foot or by train to the town Aguas Calientes near the historic site.
While it’s common to take the U.S. Interstate Highway System for granted, it had a long gestation period before coming to fruition beginning in the mid-20th century.