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Best Practices for Road Weather Management Version 3.0: Texas DOT High Water Detection System
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2012-01-01
[PDF-64.85 KB]
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Abstract:High water detection systems (HDWS) are installed in stream beds at road and stream crossing locations with a potential or a history of flooding. The Texas Department of Transportation (TxDOT) has installed twenty such of these systems throughout the San Antonio area. An additional six are being installed in 2012. The San Antonio district has installed one system in the metro area, while the other units (including the six new units under construction) have been installed in the rural areas surrounding San Antonio, primarily at locations in the Texas Hill Country, which are subject to flash flooding due to the region’s topography. The first units were installed in 2005. The unit cost is typically $75,000.
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