DOH Central Lab is an application for tracking the status of material testing services. Of the Bureau of Analysis and Inspection, Department of Highways, just contact the Department of Highways Technology Development Center after paying the trial fee. can access the system To track the status immediately Without the need to register users It is not necessary to know the staff or know who is responsible for doing this. can track the status The system is designed to be easy to use. only user login with trial rank and receipt number Then the system will show the flow of all service steps. with showing the status of each step both by narrating in text and showing color shades and service recipients can rate their satisfaction For further improvement of the service of the Department of Highways