Just some random stuff that looked interesting in the monthly blast from Transportation Research Board.
TRNews Q4/2023: all road stuff, but the article about geofoam goes into more details about how CO used it. Probably *not* something that will help at San Clemente, but where embankments cross weak land like bay muds it might be useful. Essentially floats the (road, track, whatever) on the mud. CO doesn't need much seismic design, but the concept has been used in CA and works (sawdust-core road embankment in Watsonville, for instance). Short article starts on p. 37 of the
PDF.
FRA report on
Stakeholder Perceptions of the Fatigue and Safety of
Locomotive Engineers (PDF). [
railroads.dot.gov]
Why AI Can't Replace Air Traffic Controllers in The Conversation (and, though not covered in the article, by implication, similar jobs like railroad dispatchers): [
theconversation.com]
Enjoy?