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By calculating the speed of users along a stretch of road, Google is able to generate a live traffic map. [1] Its subsidiary, Waze, also allows users to report directly via a smartphone app. TomTom Traffic uses crowd-sourced data from mobile phone users, along with data from traditional sources such as induction loops and traffic cameras.
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 ...
Sign for Suitland Parkway eastbound after entering Maryland. At the bridge that carries Southern Avenue SE over the parkway, the Suitland Parkway enters Prince George's County in Maryland. The road heads northeast into Temple Hills, coming to traffic light with MD 637 north of the Naylor Road station on Washington Metro's Green Line. Left turns ...
The highway runs 6.8 miles (10.9 km) from MacArthur Boulevard in Carderock, Maryland, east to Canal Road at the Chain Bridge in Washington. The Clara Barton Parkway is a two- to four-lane parkway that parallels the Potomac River and the Chesapeake and Ohio Canal (C&O) in southwestern Montgomery County, Maryland, and the far western corner of ...
The bridge, named for the first governor of Maryland, Thomas Johnson, saw construction start in 1972 and opened to traffic on December 17, 1977. The bridge, carrying an average of 33,000 vehicles a day on Maryland Route 4 (MD 4), is one of two crossings of the Patuxent River in Southern Maryland (the other is the Benedict Bridge approximately ...
Maryland Route 97 (MD 97) is a state highway in the U.S. state of Maryland. The route runs 55.27 mi (88.95 km) from U.S. Route 29 (US 29) in Silver Spring , Montgomery County , north to the Pennsylvania border in Carroll County , where the road continues into that state as Pennsylvania Route 97 (PA 97).
Maryland Route 614 (MD 614) is a state highway in the U.S. state of Maryland. Known as Goldsboro Road, the state highway runs 1.97 miles (3.17 km) from MacArthur Boulevard near Glen Echo north to MD 191 in Bethesda in southwestern Montgomery County. MD 614 was constructed in the mid-1930s from MD 396 to MD 190. The highway was extended to its ...
Maryland Route 210 (MD 210) is a state highway in the U.S. state of Maryland. Known as Indian Head Highway , the highway runs 20.86 miles (33.57 km) from Potomac Avenue in Indian Head north to the District of Columbia boundary in Forest Heights , where the highway continues into Washington, D.C. , as South Capitol Street .