Instead it has a couple dozen, says Texas Transportation Institute research engineer Tim Lomax.

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The Texas Transportation Institute recently claimed they do, although their methodology has been flawed before.

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For travel delays, we used the Texas Transportation Institute's 2005 Urban Mobility Report, which compiled the annual delay per traveler for urban areas.

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Last week, the Texas Transportation Institute released its annual Urban Mobility Report, a collection of terrifying traffic stats that arrive on a beeline to transit beat reporters.

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Moreover, a study by the Texas Transportation Institute found that highways with diamond lanes lacking a physical barrier separating them from regular lanes have a 50 percent higher incidence of injury accidents.

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Last year, CEOs for Cities released a detailed response to the Texas Transportation Institute (TTI) report, faulting the study for failing to include travel times, an omission that tilts the results in favor of metro regions splayed out.

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