Examine the data behind dynamic speed zones. Learn what safety studies show regarding their effectiveness, limitations, and ...

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An example of what variable speed limit signs look like above a highway in Washington. Courtesy of the Washington State Department of Transportation When icy conditions led to a 133-car pileup on ...

Variable speed limit signs on routes 30 and 283 in Manheim Township are among the ideas Lancaster County officials are considering to reduce traffic fatalities and serious injuries on county roads by ...

A shot of a red-bordered 70 mph speed limit sign in Texas - Texas Department of Transportation (San Angelo)/Facebook Drivers in the U.S. are accustomed to seeing Department of Transportation (DOT) ...

Variable speed limit signs on Eagle Road to be piloted in 2026 Starting in 2026, new signs on Eagle Road will display adjusted speed limits from 55 to 45 miles per hour during peak commuting times.