10-07-07: VISION TRIANGLE:

   (1)   Purpose Of The Vision Triangle: To prevent sight obstructions that include any hedge, tree, shrubbery, fence, signage or wall that interfere with driver vision.

   (2)   Observation Of Vision Triangle Standards:

      A.   All vision triangles located at controlled (signalized) or uncontrolled roadway intersections.

      B.   Idaho transportation department's (ITD) vision triangle standards shall apply to all state highways located within the city's jurisdiction.

   (3)   Parameters Of Vision Triangle:

      A.   Vision triangles shall be measured from the projected intersection of the lip of gutter a distance of forty feet (40') along each roadway edge, and connecting the two (2) points with a straight line. This measuring approach defines the boundaries of a vision triangle at the intersection of two (2) roads.

      B.   As a roadway is enlarged or constructed, the vision triangle will accommodate the new boundaries.

      C.   The creation and maintenance of a vision triangle is governed by state statute 1 .

   (4)   Intersection Of Roadways With Driveways And Alleyways:

      A.   The boundaries of a vision triangle at the intersection of a road with a driveway or alleyway are defined by measuring from the intersection of the roadway and the edge of the driveway or alleyway twenty feet (20') along the roadway and ten feet (10') along the driveway or alleyway connecting the two (2) points with a straight line.

   (5)   Intersection Of Road And Railroad:

      A.   The vision triangle at the intersection of railroads and street crossings shall be forty feet (40') along the railroad property line and forty feet (40') along the roadway edge and connecting the two (2) points with a straight line.

   (6)   Items Prohibited Or Limited Within The Vision Triangle:

      A.   The planting of trees in the vision triangle is prohibited. (Ord. 2661, 1-7-2008)

      B.   All trees existing in the right of way shall be pruned to a minimum height of ten feet (10') above the ground or sidewalk surface and fourteen feet (14') above the adjacent roadway surface or be removed. (Ord. 3065, 9-19-2016)

      C.   Maximum height of any berm or vegetative ground cover shall be three feet (3') at maturity.

      D.   No fences may be installed on a berm.

      E.   No fences higher than three feet (3') are permitted.

      F.   No structures or objects higher than three feet (3') are permitted, except publicly placed traffic devices.

      G.   No signs taller than three feet (3') are permitted, except publicly placed traffic directing devices. (Ord. 2661, 1-7-2008)

 

Notes

1	1. IC 49-221.