In this thesis I am dealing with the T intersection in Sežana. In the first part I make analysis of intersection capacity using the results of traffic counts. I also make the analysis of traffic safety. Main cause of poor traffic safety is lack of traffic sight. In the second and third part I present two possible solutions for improving traffic safety of the intersection. First solution in my opinion is roundabout, which is the most common solution for traffic calming and improvement of visibility. I make analysis of saturation and sight triangle. Second possible way of improving the exsisting condition is change of geometry of the exsisting intersection where Lipiška road is joining Bazoviška road at the angle of 90 degrees. Again analysis of intersection capacity and sight triangle is done and I find out that both values fot both solutions are permitted. The designing of the intersection is made with help from technical specifications for roads from various fields.
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