Caltrans Uses Life-Saving Survey SystemAbstract:
Brief article discussing the Vangarde 505 system which is being used by Caltrans to enhance the safety of survey crews. The Vangarde 505 system allows surveyors to perform topographic surveys of highways through remote sensing without disrupting traffic flow. Field tests have found the accuracy of the Vangarde measurements equal to those from traditional surveying methods.
Publication Date: May 1998