Highway Intersection Sight Distance Guidelines & Measurements


  • Walter P. Kilareski




Traffic signals


Many Highway Accidents Occur At Intersections That Are Not Controlled By Traffic Signals. Intersecting Roadways, Driveways, And Entrances To Shopping Malls Are Only A Few Examples Of Where Crashes Occur. In Some Cases Tort Lawsuits Are Brought Against The Highway Agency Claiming That There Was A Lack Of Sight Distance At The Intersection. Unfortunately, Many Engineers And Accident Reconstruction Professionals Do Not Understand Intersection Sight Distance Requirements And Guidelines. This Confusion Often Leads To Needless Litigation. This Paper Will Review The Highway Design Guidelines (Aashto) Which Are Used To Evaluate Intersection Sight Distance For Both Turning And Straight Through Traffic Movements. It Will Explain The Rationale For The Criteria And How It Should Be Applied For Accident Analysis. The Drivers Responsibility, Under The Vehicle Code, At An Intersection Is Reviewed. A Case Study Will Be Used As An Example To Explain The Procedures For Field Measurements At An Intersection.



How to Cite

Kilareski, Walter P. 1999. “Highway Intersection Sight Distance Guidelines & Measurements”. Journal of the National Academy of Forensic Engineers 16 (1). https://doi.org/10.51501/jotnafe.v16i1.563.




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