(1961-1965) |
Edwin W. Parkinson |
Pennsylvania Automotive Association |
(1965-1969) |
William R. B. Froehlich |
Pittsburgh Regional Planning Association |
(1969-1972) |
Robert S. Holmes |
United States Steel Corporation |
(1972-1976) |
John R. Dietz |
Gannett Fleming |
(1976-1980) |
Roy E. Cleveland |
Cleveland Brothers |
(1980-1986) |
Robert G. Bartlett |
L. B. Smith, Inc. |
(1986-1993) |
Ralph E. Peters |
Benatec Associates, Inc. |
(1994-1999) |
John Burkhardt |
Urban Engineers |
(2000-2001) |
Joseph P. Kirk |
Mon Fayette Expressway and Southern Beltway Alliance |
(2002-2005) |
H. Michael Liptak |
Highway Equipment & Supply |
(2006-2010) |
Ronald J. Drnevich, P.E. |
Gannett Fleming, Inc.(retired) |
(2010-2011) |
Barry J. Schoch, P.E. |
McCormick Taylor, Inc. |
(2012-2016) |
Thomas E. Lawson, P.E. |
Borton-Lawson, Inc. |
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(1960-1978) |
Michael Baker, Jr. |
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