» AASHTO
   American Association of State Highway and Transportation Officials. An organization which sets transportation policies and authors many construction codes.
   http://www.aashto.org

» AEMA
   Asphalt Emulsion Manufacturers Association, an international organization representing the asphalt emulsion industry.
   http://www.aema.org/

» AGCIL - Associated General Contractors of Illinois
   Represents contractors, subcontractors, and associates, and serves its members by promoting the interests of the heavy-highway industry. Education, construction news, events, legislative resources and contacts.
   http://www.agcil.org/

» American Concrete Pavement Association
   Dedicated to the promotion of the superiority of concrete pavements for use in interstate highways, state and county highways, municipal streets, local roads, and airports.
   http://www.pavement.com/

» American Concrete Pavement Association - Northeast Chapter
   Promote concrete pavement for highways, municipal streets, intersections, county roads and airports, in the south eastern United States.
   http://www.pavementse.com/

» American Public Works Association
   An international educational and professional association of public agencies, private sector companies, and individuals dedicated to providing high quality public works goods and services.
   http://www.pubworks.org/

» American Road and Transportation Builders Association - ARTBA
   Full-service association for contractors, transportation officials, and equipment manufacturers. Features government affairs, conferences, newsletter, and educational materials.
   http://www.artba.org/

» Applied Research Associates Inc.
   Pavement research programs recognized for advancing the design, evaluation, construction, and management of airfield and highway systems.
   http://www.ara.com/

» Asphalt Pavement Association
   Trade association composed of hot mix asphalt producers and affiliated companies serving the California market.
   http://www.apaca.org

» Asphalt Pavement Association of West Virginia
   Non-profit trade association representing the producers of hot mix asphalt along with other industry-related firms. Features members listing, news, and resource centre.
   http://www.asphaltwv.com/

» Asphalt Pavement Association of Indiana
   Trade association for asphalt pavement producer contractors. Features news, technical data, scholarships, and related links.
   http://www.ind-asphalt.com/

» Asphalt Recycling And Reclaiming Association
   Worldwide association for those involved in the asphalt and recycling industry.
   http://www.arra.org/

» Association of Asphalt Paving Technologists
   The association is dedicated to the advancement of asphalt paving technology.
   http://www.asphalttechnology.org/

» CERF
   The Civil Engineering Research Foundation provide leadership, direction, and an organizational structure to foster research for the civil engineering profession at large.
   http://www.cerf.org/

» Canadian Asphalt Shingle Manufacturers' Association
   Established to serve and promote the best interests of all stakeholders in the Canadian asphalt shingle industry; namely manufacturers, consumers, suppliers, distributors and employees.
   http://www.casma.ca

» EAPA
   European industry association which represents the manufacturers of bituminous mixtures and companies engaged in asphalt road construction and maintenance and explains the use of bitumen emulsion in Europe.
   http://www.eapa.org/content/bitumen.htm

» FHWA
   Federal Highway Administration who provide expertise, resources, and information to continually improve the quality of the nation's highway system and its intermodal connections.
   http://www.fhwa.dot.gov/

» Illinois Asphalt Pavement Association
   Offers news, bulletin board, membership information and technical advice for hot mix asphalt producers in Illinois.
   http://www.il-asphalt.org/

» Illinois Road and Transportation Builders Association
   Serving the interests of members in the heavy road, highway and bridge construction industry. Features news, information, education programs, member benefits, links and contacts.
   http://www.irtba.org/

» International Road Federation (IRF)
   A not-for-profit, non-political service organisation. Its purpose and continuing objective is to encourage better road and transportation systems worldwide .
   http://www.irfnet.org/

» International Society for Asphalt Pavements
   In addition to promoting technical advances, ISAP is looking at the future directions of the asphalt paving industry in terms of key issues such as environmental protection, socio-economic impacts, political concerns.
   http://www.asphalt.org/

» Kentucky Concrete Pavement Association - KCPA
   Trade organisation for issues related to business and market development, technical standards, and product performance. Includes calendar of events, news, awards and contracts.
   http://www.kyconcretepavement.net/

» Laboratoire Central des Ponts et Chaussées - France
   National organization for applied research and development. Features news and events, a presentation and a range of research documentation.
   http://www.lcpc.fr/en/home.dml

» Mineta Transportation Institute.
   An international transportation information and repository source. Maintained in the USA .
   http://transweb.sjsu.edu/

» Minnesota Asphalt Pavement Association - MAPA
   Represents members interests regarding items involving transportation, the environment, and legislation. Includes members listing, calendar of events, and links to related organizations.
   http://www.asphaltisbest.com/

» Missouri Asphalt Pavement Association
   Promotes the use of asphalt as a road construction material to architects, engineers, landowners and other government entities. Includes asphalt facts, news and events, and technical data.
   http://www.moasphalt.org/

» National Asphalt Paving Association
   Represents the producers of hot mix asphalt industry.
   http://www.hotmix.org/

» National Association of County Engineers
   Monitor and provide opinions for national legislation affecting county transportation and public works departments.
   http://www.countyengineers.org/

» National Partnership for Highway Quality - NPHQ
   National associations working together for the continuous quality improvement in the planning, design, construction, and maintenance of highways. Includes links to members and state project awards.
   http://www.nqi.org/

» National Stone, Sand, and Gravel Association
   Organization of producers of aggregates in the United States.Membership details, careers, publications, and events.
   http://www.nssga.org/

» OHMPA
   The Ontario Hot Mix Producers Association, formed in 1974, provides a voice for hot mix asphalt producers on all subjects affecting our industry or our members' businesses.
   http://www.ohmpa.org/

» RILEM
   Technical association developing the knowledge of properties of materials and performance of structures.
   http://www.rilem.ens-cachan.fr/

» Rubber Pavements Association
   Dedicated to encouraging greater usage of high quality, cost effective asphalt pavements containing recycled tire rubber.
   http://www.rubberpavements.org/

» Southern Africa Bitumen Association
   Sabita is funded by its members to add value to their operations. Value addition is achieved through market developments and advancing the efficient use and application of bituminous- and asphalt products.
   http://www.sabita.co.za/

» The Asphalt Institute
   International organization with information on Superpave, environmental, technical questions, publications, seminars, international meetings, and transportation industry links
   http://www.asphaltinstitute.org/

» The Canadian Geotechnical Society
   The society provides a wide range of opportunities for learning about geotechnical engineering and related geosciences.
   http://www.cgs.ca/

» The Canadian Technical Asphalt Association
   Canadian forum dedicated to asphalt and asphalt mixes, products, manufacturing processes and technology.
   http://www.ctaa.ca/

» The New Zealand Pavement and Bitumen Contractors' Association
   Specialist organisation representing roading contractors in New Zealand. Established in 1988 to promote the safe use of bitumen and asphalt .
   http://www.bitumen.org.nz/

» The Society of Rheology
   Composed of physicists, chemists, biologists, engineers, and mathematicians interested in the advancing and applications of rheology, which is defined as the science of deformation and flow of matter.
   http://www.rheology.org/sor/

» Transportation Research Board
   Nonprofit institution, its mission is to promote innovation and progress in transportation by stimulating and conducting research, facilitating the dissemination of information, and encouraging the implementation of research results.
   http://www.nas.edu/trb/

» Washington Asphalt Paving Association - WAPA
   Represents hot mix asphalt producers in Washington State. Features pavement guides, conferences and scholarships.
   http://www.asphaltwa.com

» World Road Association - PIARC
   Provides an international forum for analysis and discussion of the full spectrum of transport issues, related to roads and road transport. Features projects, publications, members, and events.
   http://www.piarc.org/