The Petersen Asphalt Research Conference will take place from 14th to 16th Julyin Laramie, WY. This conference brings together top researchers, highway officials, producers and others who are working to advance the specification and performance of petroleum asphalts. For 50 years, research presented and discussed at the Petersen Asphalt Research Conference has led to safer, longer-lasting and more cost-effective highways throughout the world.