1. Asphalt Maintenance: The Right Steps! Learn about asphalt and the steps that need to be taken to maintain any asphalt surface. We drive on it, walk on it, play and bike…

* Minnesota’s Experience in Implementing the Use of Shingles Roger Olson Research Operations Engineer Minnesota Dept. of Transportation * History in MN Based on Manufacturers’…

* Minnesota’s Experience in Implementing the Use of Shingles Roger Olson Research Operations Engineer Minnesota Dept. of Transportation * History in MN Based on Manufacturers’…

SuperPave Asphalt Specifications Previous asphalt specifications physical property specifications penetration viscosity ductility conducted at standard test temperatures…

Fort Vancouver National Historic Site Reconstructed Hudson Bay Company Fort Visually Appropriate Accessible Pavement for Historical Sites ⢠® The National Park Service…

Fort Vancouver National Historic Site Reconstructed Hudson Bay Company Fort Visually Appropriate Accessible Pavement for Historical Sites ⢠® The National Park Service…