03-31-2023, 08:02 PM
As you can read from the "tree presentation" that CalTrans made, both the density and thickness of trees planted along a road contribute to the road's visibility. The roots of the trees can affect drainage of the road.
https://dot.ca.gov/-/media/dot-media/dis...3-a11y.pdf
BC
https://dot.ca.gov/-/media/dot-media/dis...3-a11y.pdf
BC
