In Texas, approximately eight flood-related fatalities occur each yearthe majority of these (78.6 percent) involve motorists that are trapped in their vehicles or washed away. In many cases, victims, not wanting to take a lengthy detour, ignored barricades and tried to drive across a flooded street or low-water crossing literally driving themselves into harms way. It takes as little as 2 ft of water to float most cars. Several districts in Texas have developed different signing strategies for warning motorists of low-water crossings. As part of this research, the Texas Transportation Institute (TTI) developed guidelines and recommendations for creating signing uniformity for low-water and flood-prone sections of roadways. Signing guidelines were created for the following situations: (1) roadway sections that have several lowwater crossings where water flows over the roadway in wet conditions, (2) actual low-water crossings, and (3) temporary road closures due to high water. TTI also developed criteria for when to implement active waterlevel detection and advance warning systems at low-water crossings and flood-prone roadway sections.
Signing Strategies for Low-Water and Flood-Prone Highway Crossings
2011
216 pages
Report
No indication
English
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