IIRC a little under a year ago I started a thread here by saying how I'd personally never trust epoxy to support the concrete ceiling panels in a road tunnel, particularly when the glue was being applied by construction workers under sometimes miserable weather conditions.
I posted that after a woman was killed in one of the recently completed "Big Dig" tunnels here in Boston, when a concrete ceiling panel fell down on the car she was a passenger in, with her husband right next to her behind the wheel.
Yesterday, one year to the day after that tradgedy, the NTSB blamed everybody involved and those everybodies all said "It was someone else's fault, we didn't know that..."
No further comment by me required...Read all about it: