not as significant as it might sound at first. in fact, i think it's irrelevant. roads can move. therefore the road bed will look wider than the road surface a

not as significant as it might sound at first. in fact, i think it's irrelevant. roads can move. therefore the road bed will look wider than the road surface actually is. not to mention lane changes due to construction, etc etc. this capability would have done exactly zero to stop the tesla median crash that was just reported on by NTSB (ie the crash 1 year ago).