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Will MAP-21 Require Thousands More Dangerous Stroads?

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An obscure provision of the new federal transportation bill is sparking concerns that it could erode walkability and bikeability in communities around the country. The so-called "Enhanced National Highway System" provision would require all major arterial roads to be folded into the national highway system. That could provide greater pressure for local entities to comply with AASHTO's often highway-inspired standards, like wide lanes and shoulders that encourage car capacity at the expense of pedestrian safety.

The provision will result in a near doubling of the number of roads that will be part of the national highway system. But what will it mean for livable streets? There are lots of different opinions out there.

Jonathan Maus, at Bike Portland, who broke this story, said:

The significance of these roadways becoming part of the National Highway System is that if PBOT engineers want to make any changes that deviate from FHWA design standards for "principal arterials", they would have to go through a cumbersome process of applying for exceptions.

In the words of a source at ODOT, "this designation basically forces state and local governments to treat arterials like major highways... Speed will increase, certain designs, like bulb outs, won't be allowed without an exception. So on and so on."

Travis Brouwer, senior federal affairs adviser for the Oregon Department of Transportation, echoed those concerns to some extent. Brouwer said the state was racing to reclassify its major arterials, up to 600 miles of road, by October 1, when the new law goes into effect.

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