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Using the Architecture, Engineering & Construction Collection to Save Lives

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    The Los Angeles mayor proposed a $91 million project called Vision Zero that will help the City of Los Angeles end traffic deaths and serious injuries by 2025. Every year, more than 200 people are killed while moving through Los Angeles. In fact, traffic collisions are leading causes of death for children in Los Angeles. Los Angeles Department of Transportation and U.S. CAD found many ways to utilize the Architecture, Engineering & Construction Collection to help achieve goals set forth by this program. Using reality capture technology and ReCap software, they rapidly modeled existing intersections. With InfraWorks software, city planners created 3D models using their extensive GIS libraries and ReCap scans. Continuing in InfraWorks, they laid out design proposals to communicate design with the engineering team. The city engineers then took the InfraWorks model and refined the design using Civil 3D software. The last step was using Vehicle Tracking software to verify that certain vehicles are able to turn at these new traffic-calming intersections. These tools let the process be done in days, which before could have taken weeks.

    Key Learnings

    • Learn how to get scanned data into ReCap and move to a known coordinate system.
    • Learn about point cloud processing tools (terrain, linear feature extraction) and sharing the model via a web browser.
    • Learn about importing GIS data (Esri and Cities), stylizing data, laying out curb extensions for intersections (component roads), and adding crosswalks and striping.
    • In Civil 3D, learn how they brought in the InfraWorks model, and learn about the tools used to refine the design. In advanced vehicle tracking, learn about swept path analysis.