
| 1974 | A slide presentation on Region 15's Demonstration Project on "Noise-Measurement Techniques, Equipment Systems, and Data Interpretation" is presented at USDOT Headquarters. Observers, including Administrator Norbert Tiemann, then tour the trailer containing FHWA's Acoustical Laboratory, which was constructed at the Region 9 Office of Federal Highway Projects Equipment. |
| 1980 | Ground is broken for a $50 million Justice Center in Portland, OR, the largest functional replacement project to date. It is needed because construction of I-205 requires the taking of the Rocky Butte Jail. |