Comment Re:Already resolved (Score 1) 90
The company did provide evidence to the safety of the proposed solution and the original request was denied in the last days of the previous presidential administration. Recently, the DoT reversed their position and the external lighting solution was approved. As to the other proposed solutions I see here, such as drones or wheeled bots, let us all remember that easier solutions should always be preferred.
The decision denying the exemption including reasoning can be found here. I'm not aware of other decisions but maybe they are filed in a separate docket?
Anyway, the regulators did argue that the evidence presented was unsatisfactory. The request was for a broad exemption but there are scenarios where the proposed solution was considered not at the same level of safety, e.g. when line-of-sight to the truck was impeded by road geometry or elevation.
As example, quoting the document linked above in regards of curves:
The studies also gave insufficient information about the nature of the curves in the studies, making it difficult to understand whether the curves were sufficiently representative of the types of curves ( e.g., slight vs. truly blind, sharp curves) the beacon-equipped autonomous CMVs would encounter across the United States, and therefore difficult to conclude that there is an equivalent level of safety on curves. Neither study presented photos or videos demonstrating the point of view of an approaching motorist entering or exiting the curve.
Moreover, the Waymo study supports that the beacons performed significantly worse than warning triangles at a curve during daytime runs. Specifically, at truck exposure location III (shoulder after curve), 9 out of 12 drivers detected and recognized the truck with the beacon, while 12 out of 12 did so with the warning triangles. This finding is salient to examine, considering that locations with curves would logically present a challenging scenario for fixed beacons versus triangles whose placement can be adjusted based on curves.
So Waymo's own study apparently demonstrates that their proposed solution is not as safe as what the regulation requires in that scenario, which is an element necessary to grant the exemption.