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A wide moving jam is a moving traffic jam, which exhibits the characteristic jam feature [J] to propagate through any bottlenecks while maintaining the mean velocity of the downstream jam front denoted by . Kerner's jam feature [J] can be explained as follows.
In contrast, the outflow of a wide moving jam determines a condition for the existence of the wide moving jam, i.e., the traffic phase J while the jam propagates in free flow: Indeed, if the jam propagates through free-flow (i.e., both upstream and downstream of the jam free flows occur), then a wide moving jam can persist, only when the jam ...
Traffic waves travel backwards relative to the cars themselves. [1] Relative to a fixed spot on the road the wave can move with, or against the traffic, or even be stationary (when the wave moves away from the traffic with exactly the same speed as the traffic). Traffic waves are a type of traffic jam.
The China National Highway 110 traffic jam was a recurring [1] traffic jam that began to form on 14 August 2010, mostly on China National Highway 110 (G110) and the Beijing–Tibet expressway (G6), in Hebei and Inner Mongolia. [2] [3] The traffic jam slowed thousands of vehicles for more than 100 kilometers (60 mi) and lasted for 12 days.
Lane splitting is riding a bicycle or motorcycle between lanes or rows of slow moving or stopped traffic moving in the same direction. [1] [2] It is sometimes called whitelining, or stripe-riding. [3] [4] This allows riders to save time, bypassing traffic congestion, and may also be safer than stopping behind stationary vehicles. [2] [3] [5] [6]
The line crosses the speed axis, y, at the free flow speed, and the line crosses the density axis, x, at the jam density. Here the speed approaches free flow speed as the density approaches zero. As the density increases, the speed of the vehicles on the roadway decreases. The speed reaches approximately zero when the density equals the jam ...
A DoS value of 100% meaning that demand and capacity are equal and no further traffic is able to progress through the junction. The formula to calculate DoS is: Degree of saturation = (demand x cycle time) / (saturation flow x effective green time) Values over 85%-90% typically indicate traffic congestion, with queues of vehicles beginning to form.
A traffic jam is a colloquial term for traffic congestion. Traffic jam may also refer to: Traffic Jam, a 1979 Italian film "Traffic Jam" (Malcolm in the Middle episode) "Traffic Jam" (King of the Hill episode) "Traffic Jam", a song by "Weird Al" Yankovic from the album Alapalooza "Traffic Jam", a song by Bappi Lahiri from the Hindi film Rock ...