The exact planned locations for the Texas/Mexico border wall have been difficult to identify with specificity and have remained in flux. The maps available are those included in the government’s environmental impact analyses and those identifying the areas for which the Department of Homeland Security has waived laws requiring further analysis of impact on the environment and Native American communities.
Key agencies of the United States government have analyzed the cost, effectiveness and impact of the border wall. Their published studies and statements provide important insight into the border wall project.