Lane striping delineates travel lanes, shoulders, and bike lanes. The cost estimate provided assumes a 4-inch white solid line on one side of a lane, or as a trail centerline.
How the Default Unit Cost was Determined
The Virginia Department of Transportation, as reported by Pedestrian and Bicycle Information Center, has estimated the cost of a four-inch bike lane stripe at $.60 per linear foot or $3,405 per mile. The Oregon Bicycle and Pedestrian Plan identifies a cost of "as little as $2000 per mile".