Use of Advanced Geospatial Data, Tools, Technologies, and Information in Department of Transportation Projects (2013) / Chapter Skim
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9 This chapter provides an overview of the key topics and results addressed with the distribution of a DOT questionnaire. The questionnaire results show trends of states having expertise in certain technologies, along with an analysis of where the current state of the practice is heading.
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10 Note that owing to rounding error, some results may not add to exactly 100% but will be within ±1%. GEOSPATIAL TECHNOLOGY USAGE The vast majority (84%)
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11 For example, GIS data are easy to store centrally and share through a network among a variety of departments. However, LIDAR data sets are large and difficult for information technology staff to maintain in an efficient manner to store, back up, and share across a network.
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Technology Standard Operating Procedure Implementing Investigating Researching Not Using No Interest Not Sure Photogrammetry 90% 6% 2% 0% 0% 0% 2% Video %0%0%4%0%0%6%09gniggol %0%0%0%2%0%01%88SPG GIS 88% 8% 0% 2% 2% 0% 0% Statewide CORS network 67% 8% 2% 4% 12% 0% 6% Online Mapping Services 65% 16% 2% 4% 12% 0% 0% Statewide GNSS real time networks 56% 13% 8% 2% 13% 2% 6% Oblique Photography 47% 8% 16% 2% 18% 2% 6% OPUS (Online Positioning User Service) 45% 8% 6% 2% 20% 2% 16% Software as a Service 43% 14% 10% 8% 16% 2% 6% Tablet computers/smartphones 39% 31% 16% 4% 8% 0% 2% Static 3D laser scanning 38% 10% 8% 13% 25% 0% 6% Airborne LIDAR 35% 33% 14% 4% 10% 0% 4% Open Source Software 34% 14% 16% 8% 22% 4% 2% Ground Penetrating Radar 33% 8% 10% 14% 22% 0% 12% 3D model-based design 29% 23% 19% 10% 15% 2% 2% Low distortion coordinate systems 28% 14% 8% 4% 26% 2% 18% Mobile LIDAR 22% 20% 22% 18% 14% 0% 2% Cloud Computing 22% 20% 24% 14% 18% 0% 2% Machine Control 20% 24% 6% 18% 14% 0% 16% Electromagnetic imaging 6% 4% 8% 8% 45% 0% 29% Unmanned Airborne Vehicle (UAV)
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13 Implementation Managing the introduction of advanced geospatial technologies was evenly divided among the choices of centrally, by department, and multiple groups (Figure 11)
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14 Q 7 - What is your organization's overall level of expertise with advanced geospatial data tools, technologies, and information? 0% 5% 10% 15% 20% 25% 30% 35% 40% 1 2 3 4 5 6 7 8 9 10 Max Average No Experience Expert FIGURE 9 DOT experience levels with advanced geospatial technologies based on average and maximum responses within a DOT.
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By Individual, 8% By Geographic Region, 0% By Department, 29% Centrally, 33% Multiple, 25% Not sure, 4% Q 19 - How does your organization manage the introduction of advanced geospatial data tools, technologies and information? FIGURE 11 Management of geospatial data tools, technologies, and information introduction.
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16 Most DOTs look to a wide variety of sources for information on advanced geospatial technologies, including internal champions, consultants, other DOTs, and service providers (Figure 20)
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17 Question Yes Sometimes* No Not Sure Does your organization conduct pilot projects to investigate new geospatial data tools and technologies?
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18 Q 31 - What are the top 3 geospatial technology research needs in your organization?
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19 Q 25 - Who does your organization look to for advice on advanced geospatial data tools, technologies and information?
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20 National 32% Own 34% Not sure 34% Q 28 - Would your organization prefer to implement its own standards or adopt a nationally approved version if it was available? FIGURE 22 Interest in state versus national DOT geospatial standards, by DOT.
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