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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 .
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 ...
A traffic congestion map is a graphical, realtime or near-realtime representation of traffic flow for some particular area. [1] Data is typically collected via anonymous GPS datapoints and loop sensors embedded in the roadways, then processed by computer at a central facility and distributed as a map view to users.
Around 400 feet of the tunnel's roadway was impacted by the flooding, according to Gulliver. "It was a lot of standing water that crossed about roughly about two lanes of traffic," he said.
The map is also available online and in downloadable form, and revisions are solicited from the general public. In addition, a small private company called Rubel BikeMaps has for many years published and distributed an extensive lineup of books and maps covering Boston, the state of Massachusetts, and nearby areas of New England. [19]
Interstate 495 (I-495) is an auxiliary route of I-95 in the US state of Massachusetts, maintained by the Massachusetts Department of Transportation (MassDOT). Spanning 121.56 miles (195.63 km), it is the second-longest auxiliary route in the Interstate Highway System, being roughly 11 miles (18 km) shorter than I-476 in Pennsylvania.
Route 3 – Boston, Cape Cod: Southern terminus; exit 3 on Route 3: State Road – Scusset Beach: 11.40: 18.35: Plimoth Patuxet Highway west to Route 3 – Boston: Southern terminus of Plimoth Patuxet Highway: 15.00: 24.14: US 44 west – Middleborough, Providence: Eastern terminus of US 44: Kingston: 18.30: 29.45: Route 3 – Plymouth, Cape ...
Passengers in the 35-second video react in disbelief as they watch the two planes slowly get closer to each other, collide and then halt with no visible major damage. “It hit the other plane.