Book excerpt: The author studied the cost-effective modern solution for placing electric distribution lines and telecommunications lines underground in urban areas in the USA. The methodology of the study which included examining the cost and schedule analyses as function of pipe diameter and overburden depth. The study focused on the cases when trenching cannot be done. Cost-benefit analysis was performed, particularly in urban areas. The author discussed the cost and benefits of undergrounding both types of lines, but focused on electric lines in Maryland and Virginia states.