On November 11, 1926, AASHO
approved the plan and the uniform marking system.
gathered in December 1962 for its annual meeting, Whitton included a challenge for State highway officials in his annual speech.
Based on early experience, AASHO
Executive Secretary A.
The empirical equations used in the 1993 AASHTO guide are largely a result of the original road tests performed by AASHO
from 1958 to 1961, in what was the largest experiment on highway pavements of its time.
In that capacity, he filled a 1-year term as president of AASHO
and NCSHS have become AASHTO (American Association of State Highway and Transportation Officials) and NCUTCD, but their missions are still the same.
(Later in 1918, Hirst would become the fourth president of AASHO
.) Hirst described the progress of highway development in Wisconsin.
A considerable amount of research and development has been done since the AASHO
Road Test, and it is too prolific to list.
Wilburn Cartwright of Oklahoma, chairman of the House Committee on Roads, summed up everybody's feeling when he told AASHO
in 1938, "When I think of super-highways, I think of Germany." And this stirred him to add that it was "not an idle boast for us to say that we can do better anything that Germany can do well." In short, the United States "should have a highway system second to none."
The December 1918 issue of Public Roads reprinted a tribute to Page that was delivered in Chicago at the AASHO
* The American Association of State Highway Officials (AASHO
) begins building a $12 million road-test project near Ottawa, Ill.
After the AASHO
Road Test was established (AASHO
1962) the Present Serviceability Rating (PSR) based on individual observation was developed.