In New Mexico, roadside shrines are not protected under state law, but crews undertaking new construction either avoid altering them, or otherwise place them as close to where they originally were as possible once construction has been completed as a courtesy.
In New Mexico, roadside shrines are protected under state law, it is a crime to desecrate or deface them. Department of Transportation crews undertaking new construction are not required to protect them, but usually either avoid altering them, or otherwise place them as close to where they originally were as possible once construction has been completed as a courtesy.