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Sig alert, Sig-alert or Sigalert in California, as well as other parts of the United States, means an incident that significantly disrupts road traffic. The term was originally the name of a pioneering system of automated radio broadcasts regarding traffic conditions , introduced in the 1950s and named after its inventor, Loyd Sigmon .
The Queen Creek Tunnel is a 1,217-foot-long (371 m) tunnel on US 60 in the Superstition Mountains, just east of Superior, Arizona. [2] Completed in 1952, the Queen Creek Tunnel links Phoenix with Safford by way of Superior and Globe/Miami.
A traffic camera is a video camera which observes vehicular traffic on a road. Typically, traffic cameras are put along major roads such as highways, freeways, expressways and arterial roads, and are connected by optical fibers buried alongside or under the road, with electricity provided either by mains power in urban areas, by solar panels or other alternative power sources which provide ...
Route 262 northbound and southbound motorists should be alert for 24/7 shoulder closures, occasional single-lane closures, and construction equipment moving in and out of the work zone.
North of Greenville, California State Route 89 is operating under one-way traffic control due to landslide debris, while crews work to stabilize the area. ... Alerts are also in effect for parts ...
Oct. 30—The Texas Department of Transportation has issued traffic alerts for the following dates and locations. Crane County — October 31: Mobile road evaluations will be conducted on FM 1233 ...
As demand approaches the capacity of a road (or of the intersections along the road), extreme traffic congestion sets in. 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. Drivers and ...
The advanced traffic management system (ATMS) field is a primary subfield within the intelligent transportation system (ITS) domain, and is used in the United States. The ATMS view is a top-down management perspective that integrates technology primarily to improve the flow of vehicle traffic and improve safety.