The National Academies Press

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From page 24... ... 24 death of the SAPD officer resulted in a significant response from law enforcement, the media, and the public. In May 2011, public transportation and law enforcement agencies in the San Antonio area created a WWD task force to share information and identify means to address and reduce WWD activity. Read the entire page →
From page 25... ... 25 was driving up the ramp. More recent implementations of these systems in Fort Worth activate the flashing LEDs only when a wrongway vehicle is detected. Read the entire page →
From page 26... ... 26 level (α = 0.05) , and the 95 percent confidence interval was −55 percent to −9 percent. Read the entire page →
From page 27... ... 27 Homestead Extension of Florida's Turnpike (HEFT SR 821) and five interchanges (five ramps) Read the entire page →
From page 28... ... 28 Source: University of Central Florida. Figure 14. Read the entire page →
From page 29... ... 29 September 2014 (19 months) and November 2014 to May 2016 (19 months) Read the entire page →
From page 30... ... 30 Results To assess the effectiveness of the borderilluminated WRONG WAY signs in Florida, the research team performed a beforeafter evaluation with a control group to determine whether or not a meaningful reduction in WWD events was observed at the pilot test locations (Gross et al. Read the entire page →
From page 31... ... 31 Group Year 1 (October 2010– September 2011) Year 2 (October 2011– September 2012) Read the entire page →
From page 32... ... 32 Figure 16. 911 multi-call event distance. Read the entire page →
From page 33... ... 33 that wrongway drivers can travel 10 mi or more (5 percent) Read the entire page →
From page 34... ... 34 Figure 19. 911 multi-call events by day of week. Read the entire page →
From page 35... ... 35 Background The first WWD study, conducted by the University of Cen tral Florida for CFX in 2013, showed that there was a need to detect and deter WWD on CFX's roadways (AlDeek et al. Read the entire page →
From page 36... ... 36 Source: University of Central Florida. Figure 21. Read the entire page →
From page 37... ... 37 radar, the RFBs on all four signs are activated and flash in a wigwag pattern to get the wrongway driver's attention. At the same time, the forwardfacing camera (first camera) Read the entire page →
From page 38... ... 38 during field tests. Communication between the field devices and the regional TMC was also good, at an average of 7 sec onds between the WWD detection and the regional TMC receiving the WWD alert. Read the entire page →
From page 39... ... 39 at 30 other ramps in 2016 and 2017, resulting in a total of 35 ramps equipped with red RFB WRONG WAY signs. These additional ramps will provide more data that can be used in future analysis. Read the entire page →

From page 24...

... 24 death of the SAPD officer resulted in a significant response from law enforcement, the media, and the public. In May 2011, public transportation and law enforcement agencies in the San Antonio area created a WWD task force to share information and identify means to address and reduce WWD activity.