More research suggesting a limit to street #lighting in terms of obstacle detection efficacy at high light levels: “Detection accuracy plateaued when maximum, average, and minimum #illuminance (Emax, Eave and Emin) reached 6.7 lx, 1.94 lx and 0.98 lx, respectively—indicating no additional benefit to obstacle detection beyond these thresholds.

“https://www.sciencedirect.com/science/article/pii/S2590123025036278