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Global Positioning System Data Integration and Development of a Three-Dimensional Spatial Model of the Kansas Highway Network. Final rept. August 2001-July 2003.
| 题名： | Global Positioning System Data Integration and Development of a Three-Dimensional Spatial Model of the Kansas Highway Network. Final rept. August 2001-July 2003. |
| 作者： | chang, s. i. |
| 关键词： | *Global-positioning-system; *Kansas-; *Highways-; *Stopping-distance.;Geometry-; Computer-models; Motor-vehicle-accidents. |
| 摘要： | This proposal addresses a number of issues concerning the integration of various data collected on the Kansas Highway System through the development of a spatial (3D) model. Currently, KDOT collects and maintains spatial data on the Kansas highway system from the yearly road condition survey and video log survey. These surveys utilize differentially corrected Global Positioning Systems (GPS) systems cross-referenced to the traditional KDOT linear reference system (LRS) derived from distance measuring instruments (DMI) on board the vehicles. Preliminary development of a spatial model has been performed internally to KDOT resulting in a 2D model (latitude and longitude, but not altitude) for approximately 75%of the state highway system. This project extends the 2D model into a 3D model by including altitude GPS coordinates using a B-spline fitting model. The proposed 3D model shall serve as a cross referencing system between project stationing, project numbers, LRS, and other methods of defining physical locations. It will also serve to enable spatial analysis of the system for such items as sub-standard stopping sight distance, sub-standard horizontal curves, and the correlation of accidents with highway geometry. |
| 报告类型： | 科技报告 |
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