Traffic Intersection Diagram
This microsoft word template allows users to sketch an accident scene by adding and resizing a variety of objects including roadways vehicles traffic signs and other symbols in a 3 lane highway intersection.
Traffic intersection diagram. A diverging diamond interchange ddi also called a double crossover diamond interchange dcd is a type of diamond interchange in which the two directions of traffic on the non freeway road cross to the opposite side on both sides of the bridge at the freeway. Therefore in the diagram below vehicle p has right of way over vehicle o. It can be used to predict the capability of a road system or its behaviour when applying inflow regulation or speed. In the adjacent diagram while the left right traffic flows through the main intersection the left turn traffic crosses to the opposite side of the oncoming traffic a few hundred feet away.
It is unusual in that it requires traffic on the freeway overpass or underpass to briefly drive on the opposite side of the road. We ll also add a compass and our diagram information box from the smartpanel. The driver of vehicle 1 stated that the bush blocked his view of the street. 16 18 scale 1 96 accident description vehicle 1 made a right turn onto camino del sol and hit vehicle 2 in the left rear panel.
The fundamental diagram of traffic flow is a diagram that gives a relation between the traffic flux vehicles hour and the traffic density vehicles km. The basic traffic manoeuvres such as diverging merging and crossing are used in at grade intersections. A macroscopic traffic model involving traffic flux traffic density and velocity forms the basis of the fundamental diagram. Highway intersections may be broadly classified into the following two types.
Accident scene diagram 3 lane highway intersection. Vehicle 2 was parked in a fire lane with no hazard lights indicating that it was stopped. Also called at grade intersections all the areas legs of the intersection join or cross at the same level. Instructions from a police officer override signs and lights at an intersection.
This intersection features signals at each corner and an overhead traffic light at the center. For the professionals in the field of traffic accident analysis we provide a very flexible application to create calculate and draw distance time diagrams including a consideration of the velocity course in order to analyse and reconstruct the. If a stop or give way sign has been knocked down for example as the result of an accident the. There was a temporary construction zone at the time of the incident so these symbols are added next.
If there is a traffic controller in the intersection you must obey what they tell you. You ll want to include only the information that is important to the case. The east west street has left turn lanes from both directions but the north south street does not have left turn lanes at this intersection. Doing this removes the crossing conflict.