In this era, the developments are not taking place at the surface land, but also going downward by utilizing the underground land. The importance for developing underground land cannot be denied since worldwide has the good example of underground land development especially in the infrastructure development. In developing underground land, the depth is one of the considerations to determine how deep the construction can go underground. However, in relation with the ownership and restrictions in developing underground, the depth of the development in for underground land has become a major issue.By looking at the perspective of countries that tremendously developing underground as China, Finland and Japan; this article reviewed and discussed the three aspects related the principle of underground depth, which are the legal considerations, the depth of development also vertical planning (utilization), which have been practiced in those countries include Malaysia. As a result, the discussion shown Malaysia is ready to develop the underground land because there is a legislation that supports it. However, Malaysia must work towards the vertical planning of underground based on the depth of the utilization as the other countries do; for future development.

No abstract