Tree roots, erosion, and land settlement can cause level changes to sidewalks, resulting in a raised or sunken sidewalk. This is the most common reason for trip hazards. SASE Company has worked with thousands of cities and counties nationwide. Helping them manage their trip hazards, without having to bust and replace concrete slabs saves time, money, and a potential lawsuit. Avoid unnecessary sidewalk replacement, shutting down walkways and expensive contract work. Using SASE equipment is quick, easy, safe and all at a fraction of the cost of replacement.