The investigators seem to be unaware that the bike lane behind them in the staged photo is substandard width. One would think that the stencil that doesn’t fit would be a sufficient clue.
Evaluation of On-Street Bicycle Facilities Added to Existing Roadways is a monograph by the Center for Transportation Research at The University of Texas at Austin. It reports on research entitled Operational and Safety Impacts When Retrofitting Bicycle Lanes. That project was performed in cooperation with the Texas Department of Transportation and the Federal Highway Administration.
Critique of Evaluation of On-Street Bicycle Facilities Added to Existing Roadways explains why this “research” is more accurately described as junk science.