County highway workers will begin installing 70 mph speed limit signs along about 810 miles of interstate in Wisconsin this week.
Rob Miller, a state Department of Transportation spokesperson, said the work will primarily take place Tuesday and Wednesday. He said the department is asking drivers to remember that new speed limits only go into effect after the new speed is officially posted, and to be alert during the sign installation process.
“Slow down, move over, for all of our roadside workers,” he said.
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Miller said crews will post around 470 speed limit and related signs.
Gov. Scott Walker signed the speed increase law last month, which allows the DOT to raise the speed limit to 70 mph on four-lane roads that have entrance and exit ramps. Limits on roads with at-grade access cannot be increased.
Miller said the cost of producing and installing the signs is around $134,000. He also said the DOT is analyzing some non-interstate freeway segments that do not have at-grade access to see if they could have their speed limits increased to 70 mph in the future.
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