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- W1479863602 abstract "The availability of high resolution commercial remote sensing has contributed to a revolution in the application of satellite Earth Observation (EO) methods to the analysis of transportatio n networks. Other geospatial technologies, including GIS and the GPS, sharply enhance the utility of EO data in identifying potential road hazards and providing an objective basis for allocating resources to reduce their risks. In combi nation, these powerful information technologies provide substantial public benefits and increased business opportunities to remote sensing value-added firms. This paper reports on research aimed at developing a set of methods designed to assist road departments in rural jurisdictions (local, county, state) improve the trafficability of the roads under their management. We are developing and testing these methods in the U.S. Southwest, where thousands of kilometers of unimproved and graded dirt roads cross Native American reservations. This generally arid region is nevertheless subject to periodic summer rainstorms and winter snow and ice, creating hazardous conditions for the region’s transportation lifelines. Data sources include Ikonos imagery and digitized aerial photographs of rural roads in Northeast Arizona and Southeast Utah, as well as digital terrain models from the U.S. Geological Survey. We have analyzed several risk factors, such as slope, road curvature, and intersections, by means of multi -criteria evaluation (MCE) both on unimproved and improved roads. In partnership with the Hopi Indian Nation in Arizona, we have acquired and analyzed GPS road centerline data and accident data that validate our methodology. The methods we have developed will lead to less expensive means of analyzing the risks and hazards along paved and unpaved roads of the American Southwest. They are also transferable to international settings, particularly in similarly arid climates." @default.
- W1479863602 created "2016-06-24" @default.
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- W1479863602 date "2002-01-01" @default.
- W1479863602 modified "2023-09-26" @default.
- W1479863602 title "SATELLITE REMOTE SENSING AND TRANSPORTATION LIFELINES: SAFETY AND RISK ANALYSIS ALONG RURAL SOUTHWEST ROADS" @default.
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