A Modal Environment.

The article presents information on the benefits of the 3D models for Automated Machine Guidance (AMG) use in the construction industry. It mentions that models are created by engineers and designers and shared with owner and contractors. It states that the use of 3D models among the state departments of transportation has been promoted by the Federal Highway Administration an agency in the U.S. It informs that assessing 3D model is easier that a model on the paper.