Speed limit signs

The Arizona Department of Transportation installed six signs between Black Canyon City and Sunset Point that electronically display a driver's speed. 

Courtesy of the Arizona Department of Transportation

The Arizona Department of Transportation has activated six electronic signs to notify drivers of their speeds; signs are placed along Interstate 17 between Black Canyon City and Sunset Point.

The signs feature the posted speed limit and a digital screen, which displays vehicle speeds or a message that the driver should slow down, ADOT officials said in a press release. The signs were activated late last month. 

The signs, which include three on the northbound side and three on the southbound side, were installed this year as a part of ADOT’s $1.1 million safety project for I-17. 

“A study conducted in advance of the I-17 safety project found that Department of Public Safety troopers cited ‘speed too fast for conditions’ as the leading driver violation in more than 40 percent of I-17 crashes that occurred in the Black Canyon City area between 2011 and 2015,” ADOT officials said in a press release.

The speed limit on I-17 north of Phoenix ranges between 65 and 75 mph, with some lower speeds in areas with curves.

The department is also studying possible improvements to I-17 between Anthem Way and State Route 69, officials said. A possible improvement for the section of I-17 between Black Canyon City and Sunset Point would be adding a “demand Lane,” which is used as needed for the busiest direction of travel or in the event of a closure, officials said. The department has not yet identified a funding source for improvements.

 

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