National Center for Pavement Preservation-NCPP www.pavementpreservation.org Federal Highway Administration-FHWA www.fhwa.dot.gov FHWA Pavement Technology-FHWA www.fhwa.dot.gov/pavement American Association of State Highway Transportation Officials - AASHTO www.aashto.org American Highway Users Alliance-AHUA www.highways.org American Public Works Association-APWA www.apwa.net American Road & Transportation Builders Association-ARTBA www.artba.org American Society for Civil Engineers-ASCE www.asce.org American Society for Testing and Material-ASTM www.astm.org Asphalt Emulsion Manufacturers Association-AEMA www.aema.org Asphalt Institute-AI www.asphaltinstitute.og Asphalt Recycling & Reclaiming Association-ARRA www.arra.org Associated General Contractors-AGC www.agc.org I Build Roads - Online Collaboration http://www.ibuildroads.com/questions/