


Structural Fatigue in our Nation’s Transportation Infrastructure (4.2 MB PDF) Roberto Ballarini, Professor, Civil Engineering University of Minnesota
The Cost of Frugality (8.9 MB PDF) David Levinson, Associate Professor, Civil Engineering, University of Minnesota
Factors Affecting the State of Our Transportation Infrastructure (4.4 MB PDF) Steve Lockwood, Principal Consultant, PB Consult
Factors Affecting the State of Our Transportation Infrastructure (1.1 MB PDF) Steve Lockwood, Principal Consultant, PB Consult