When the Tennessee Department of Transportation (TDOT) began surveying in 2002 for a proposed highway in eastern Tennessee, it stumbled onto a deep problem. The proposed highway, Interstate 475, is set to connect Interstate 75 in Loudon and Anderson Counties. But during environmental and archeological investigations associated with the I-475 project, it became evident that the presence of caves would have a major impact on the proposed location of the highway.
In the April 2017 issue of POB, find out how 3D tools played a role in the renovation of the Institute of Civil Engineers headquarters in London. Also, POB releases the results of its 2017 3D Surveying Trends Study.