Selected Awards
| Named National Associate of the National Academies (National Academy of Sciences, National Academy of Engineering, National Institutes of Medicine) | |
2001 |
| The Berkeley Citation, University of California at Berkeley | |
1996 |
| Roy W. Crum Award, Transportation Research Board | |
1995 |
| James Laurie Prize, American Society of Civil Engineers | |
1988 |
| Elected to the National Academy of Engineering | |
1980 |
| State-of-the-Art of Civil Engineering Award, American Society of Civil Engineers | |
1978 |
| K.B. Woods Award, Transportation Research Board | |
1972 |
| W.J. Emmons Award, Association of Asphalt Paving Technologists | |
1961, 1965, 1985 |
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