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Active traffic management (also managed lanes, smart lanes, managed/smart motorways) is a method of increasing peak capacity and smoothing traffic flows on busy major highways. Techniques include variable speed limits , hard-shoulder running and ramp-metering controlled by overhead variable message signs .
A Woman wearing hold-up stockings A woman in Japan wearing white hold-ups, 2023. Hold-ups or stay-ups (in the United States also referred to as thigh-high stockings or simply thigh highs) [1] are stockings with an elasticized band at the top, designed to hold the stockings up when worn, without the use of a garter belt or garters.
Gridlock on a network of two-way streets. The red cars are those causing the gridlock by stopping in the middle of the intersection. Gridlock is a form of traffic congestion where continuous queues of vehicles block an entire network of intersecting streets, bringing traffic in all directions to a complete standstill.
When vehicles are fully stopped for periods of time, this is known as a traffic jam [3] [4] or (informally) a traffic snarl-up [5] [6] or a tailback. [7] Drivers can become frustrated and engage in road rage .
The cost of the project was described by the Association of British Drivers as being "an awful lot to spend just for signs saying that motorways are closed and that you should not drink and drive." [1] In 2017, a second contract for the NRTS was awarded to Telent. Starting on 16 March 2018, the £450 million contract was set to run for 7 years ...
Overhead variable message signs are today available in three form factors: front access, rear access, and walk-in. In a front access variable message sign, maintenance is performed by lifting the sign open from the front. Most smaller VMS are of the front access form factor, and are typically installed today on major arterials.
There are several international standards that give some definitions of words such as motorways, but there is no formal definition of the English language words such as freeway, motorway, and expressway, or of the equivalent words in other languages such as autoroute, Autobahn, autostrada, autocesta, autoput, that are accepted worldwide—in ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 9 February 2025. Directionality of traffic flow by jurisdiction Countries by direction of road traffic, c. 2020 Left-hand traffic Right-hand traffic No data Left-hand traffic (LHT) and right-hand traffic (RHT) are the practices, in bidirectional traffic, of keeping to the left side or to the right side ...