Kara Kockelman , Professor of Transportation Engineering, University of Texas Austin, said in part that “I have been fortunate to work intensively on two TRB-sponsored research projects, through the NCHRP & SHRP programs. The first was titled Safety Impacts and Other Implications of Raised Speed Limits on High-Speed Roads. We learned a great deal about top factors and their specific impacts on average and outlier speeds driven by motorists, crash frequencies, and crash severity. The second examined …