:Vocalo.org

In this third segment of The Infrastructure Show podcast series, Host Professor Joseph Schofer, Director of Northwestern University's Infrastructure Technology Institute, and Co-Host Tom Herman of Vocalo.org, talk with Tom Taylor, Branch Chief of Surveys Coordination/New Technologies for Caltrans District 4, about the advanced technologies used in the aftermath of the I-580 ramp collapse in Oakland, CA on April 29, 2007. This extremely fast-track project (new ramp completed within 26 days) involved extensive use of advanced technologies, including aerial photography and photogrammetry, laser scanning, and the use of advanced instruments. (23 minutes) For more information, see the web-site: www.theinfrastructureshow.com.