Another collaborative effort between the two cities was the environmentally friendly development of paved roads – created by placing concrete blocks on dirt roads – in the San Bernardo neighborhood of northwestern Tijuana. Whilst being a good example for overall development of Tijuana, it served to retain water in the earth and prevented possible negative impacts from floodwater.
A collaborative effort between the two cities led to the creation of environmentally responsible roads – made by placing concrete blocks on dirt roads – in the San Bernardo area of northwestern Tijuana. While it was a positive example of Tijuana's development, it also helped protect the city from potential floodwater-related issues.