Adoption of asphalt paving technologies in U.S. highways (1910–1960)

1. Warren Brothers expands Bitulithic paving use

   Jan 1, 1901Labels: Warren Brothers, Bitulithic

   • Cambridge History
   • Pavement Interactive

2. Warren patents early asphalt-concrete “Bitulithic” mix

   May 5, 1903Labels: Frederick J, Bitulithic Patent

   • Google Patents
   • Pavement Interactive

3. Refined petroleum asphalt production overtakes natural asphalt

   Jan 1, 1907Labels: Petroleum Asphalt, Natural Asphalt

   • OAPC About
   • Pavement Interactive

4. New York City operates a municipal asphalt plant

   May 1, 1914Labels: New York, Municipal Plant

   • NYC Asphalt Plant

5. AASHO forms to coordinate highway standards

   Dec 12, 1914Labels: AASHO, State Highway

   • AASHTO

6. Federal Aid Road Act launches federal highway funding

   Jul 11, 1916Labels: Federal Aid, Federal Funding

   • FHWA Crossroads
   • Fed Aid Act

7. Asphalt Association founded; later becomes Asphalt Institute

   May 16, 1919Labels: Asphalt Association, Asphalt Institute

   • Asphalt Mag 2009
   • Asphalt Institute

8. First U.S. hot-mix asphalt plants open in the 1920s

   Jan 1, 1920Labels: Hot-Mix Asphalt, 1920s Plants

   • APA Planning
   • Roads Bridges

9. Federal Aid Highway Act defines a national road system

   Nov 9, 1921Labels: Federal Aid, Primary Road

   • Fed Aid Act
   • FHWA Trailblazers

10. Barber sketches machine that becomes modern asphalt paver

    Nov 15, 1930Labels: Harry Barber, Asphalt Paver

    • Barber Greene
    • Pavement Interactive

11. Federal-Aid Highway Act creates Interstate Highway System

    Jun 29, 1956Labels: Federal-Aid Highway, Interstate System

    • FAHA 1956
    • Asphalt Institute

12. AASHO Road Test links traffic loads to pavement design

    Jan 1, 1958Labels: AASHO Road, Ottawa Test

    • ACPA Explorer