Interstate 17 speed limits lowered for Memorial Day weekend

PHOENIX - If you're taking Interstate 17 on your Memorial Day travels, make sure to keep an eye on your speedometer.  

The Arizona Department of Transportation is reducing speed limits on winding stretches of the freeway north of Phoenix for the peak weekend travel period.     

ADOT says they are lowering speed limits by 10 mph Friday in northbound I-17 lanes between New River and the Sunset Point Rest Area. Speed limits in the southbound lanes will be reduced by 10 mph on Monday as drivers head back into the Valley.    

See the affected stretch of road in the map below, as well as accidents reported along I-17 from 2014-2015.

Temporary signs have been put into place to alert drivers to the change. Electronic signs reminding drivers how fast they are going are also in place. 

ADOT says state troopers will be on the lookout for speeding, as well as aggressive and impaired driving in the corridor.   

An ADOT study found that law enforcement cited "speed too fast for conditions" in more than 40 percent of I-17 crashes that occurred in the Black Canyon City region between 2011 and 2015.   

I-17 was already starting to see delays Friday morning, when a crash near Black Canyon City blocked lanes and caused major backups.   

Check traffic conditions.

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