More Development -- Dunn Center -- The Bakken, North Dakota, USA

Update

I blew it on this one. The five-inch road refers to the thickness of the asphalt. See comments. My original post suggested that there had been a typographic error with regard to the length or perimeter of the road.

Original Post

Dickinson Press story about the explosive growth in Dunn Center.:

Two newly paved roads will frame the development, Ogden said.

“Next spring we should have a brand new 5-inch road that surrounds the property,” he said.

The number of building permits exploded this year county-wide, officials said.