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The selection of lane width affects the safety, maximum capacity, and cost, of a highway. Safety is best at a width of 3.0 to 3.1 metres (9.8 to 10.2 ft) in urban settings, where both narrow (less than 2.8 metres (9 ft 2 in)) and wide (over 3.1 metres (10 ft)) lanes have higher crash risks.
Traffic simulation or the simulation of transportation systems is the mathematical modeling of transportation systems (e.g., freeway junctions, arterial routes, roundabouts, downtown grid systems, etc.) through the application of computer software to better help plan, design, and operate transportation systems. [1]
SATURN (Simulation and Assignment of Traffic to Urban Road Networks) [1] is a computer program that calculates transport assignment on road networks. [2] It is developed by the University of Leeds and Atkins. Saturn competes with VISUM by PTV. [3]
Interactive geometry software (IGS) or dynamic geometry environments (DGEs) are computer programs which allow one to create and then manipulate geometric constructions, primarily in plane geometry. In most IGS, one starts construction by putting a few points and using them to define new objects such as lines , circles or other points.
Such diagrams are usually produced by a highway department, and display features along the road, including bridges and intersecting roads. Rows below the diagram show data about the road, usually including speed limit, number of lanes, bridge numbers, and historical data, among other data. Subway lines also frequently employ straight-line diagrams.
Paramics was created from scratch based on several models and mainly on the paper “A model for traffic simulation” by Hans-Thomas Fritzsche. [5] Paramics uses the car-following and lane-changing model [6] to show the correlation of numerical data for road networks under differing conditions through the use of computer graphics.
Sources: Historical election results from The Associated Press and the National Archives.Bartlet vs. Ritchie results from the West Wing Wiki.
highway or road: {{Roads legend}} for road or highway map. walkway, foot, footpath or trail: {{Trails legend}} for footpath map. no or 0: No legend page link. bg: Background color of the whole diagram, including the text column in the row templates. top: Optional note above the map. bottom: Optional note below the map.