Scope:The following unobstructed triangular area will be considered to comply with the Carrollton Code of Ordinances, Title V, Chapter 53 for traffic visibility obstructions, §53.44. This applies specifically to: 1) Street/street 2) Driveway/street 3) Alley/street
Assumptions: At grade, 90° intersections
L and R = The resulting sight distances to the left and right as measured from the driver’s eye at the traffic intersection toward oncoming traffic for a distance of ‘10 x design speed limit’.
L1 and R1 = Distance along the curb line for sight line measurement.
D = Driver’s eye setback measured from the face of curb.
L and R
(D* Driveways/ streets only; D** Alleys only)
2 Lane Industrial
4 Lane Undivided Collector (C4U)
4 Lane Divided Arterial (A4D)
6 Lane Divided Arterial (A6D)
8 Lane Divided Arterial (A8D)
Obstructions Assumptions: At grade, 90° intersections No view obstructions having a height of greater than 36” as measured from the top of curb of the adjacent streets shall be permitted within any visibility triangle area. This shall not apply to existing trees that are continually trimmed so that no branch or growth is less than 7’-0” above curb level. For a new development, proposed trees within a visibility clip shall be prohibited.
City of Carrollton, 1945 E. Jackson Road, Carrollton, Texas 75006 | Tel: (972) 466-3000 | Site Map
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