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A traffic circle is a type of intersection at which traffic streams are directed around a circle. Types of traffic circles include roundabouts, "mini-roundabouts", "rotaries", "STOP"-controlled circles, and signal-controlled circles. Some people consider roundabouts to be a distinct type of intersection from traffic circles (with the ...
Intersection sight distance is the sight distance needed to safely proceed through an intersection. The distance needed depends on the type of traffic control at the intersection (uncontrolled, yield sign, stop sign or signal), and the maneuver (left turn, right turn, or proceeding straight).
Shortest path (A, C, E, D, F) between vertices A and F in the weighted directed graph. In graph theory, the shortest path problem is the problem of finding a path between two vertices (or nodes) in a graph such that the sum of the weights of its constituent edges is minimized.
See three-way junction 5-1-1 A transportation and traffic information telephone hotline in some regions of the United States and Canada that was initially designated for road weather information. A Access road See frontage road Advisory speed limit A speed recommendation by a governing body. All-way stop or four-way stop An intersection system where traffic approaching it from all directions ...
The analytical tools to understand specific problems require refined methods for the evaluation of alternative solutions. Techniques included in the CCG allow Traffic Engineers to analyze various situations and intersection configurations. This Guide emphasizes the importance of a clear definition of the objectives of signal operation at a ...
A geometric network is similar to a graph in mathematics and computer science, and can be described and analyzed using theories and concepts similar to graph theory. Geometric networks are often used to model road networks and public utility networks (such as electric, gas, and water utilities). [ 1 ]
Austin Answered seeks to know why the intersection at Airport and North Lamar is so often tangled with traffic. What is the worst Austin traffic intersection? Readers nominate North Lamar and Airport
In a three-level diamond interchange, the cross street is built in a third level with free flowing traffic as a second arterial road. The intersection is split up into four intersections, handling just two conflicting directions each. Its two-level variant is the split diamond interchange. Its at-grade variant is the town center intersection (TCI).