Visual check 2/3: Can you see over the hill ?!?

Will the vertical profile work? is the vertical radius large enough? here's an example of a vertical radius I had to check using the simulator...

View the layout design-

















Here is the profile (yeh, I know... steep...)-

















I've placed the visualisation object 50 meters from the view port - and for now everything is fine...
(Drive Speed at 80 KPH)





But when I placed the ball 75 meters from the view port - I can know where is the driver's blind spot ...




By the way - this is an aerial view of the road-