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The Dumbarton Bridge and its adjacent powerline towers. The Dumbarton Bridge is the southernmost of the highway bridges across San Francisco Bay in California.Carrying over 70,000 vehicles [1] and about 118 pedestrian and bicycle crossings daily [2] (384 on weekends [3]), it is the shortest bridge across San Francisco Bay at 1.63 miles (8,600 ft; 2,620 m).
The following junction types typically permit U-turns but are not designed specifically for that purpose. Normal at-grade intersections on divided highways often allow traffic traveling on the divided highway to perform a U-turn, often when there is a green light for traffic turning onto the side road, crossing the opposing lanes (left turns in countries where traffic drives on the right ...
The bridge is famous for its unusual circular shape and was designed by Uruguayan architect Rafael Viñoly. [ 2 ] [ 3 ] [ 1 ] It is designed in a circular shape to force drivers to slow down, and allows for pedestrian access along the one-way circular route, including crosswalks that allow access to either the inner or outer sidewalks of the ...
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More: Mackinac Bridge ranks 7th on list of 100 most scenic bridges in the country There also will be wide-load restrictions in both directions. Motorists should consider crossing at off-peak times ...
In some systems, a concrete barrier is moved during low-traffic periods to switch a central lane from one side of the road to another; some examples are the five-lane San Diego-Coronado Bay Bridge in San Diego, California, the seven-lane Alex Fraser Bridge on the Fraser River in Vancouver and the eight-lane Auckland Harbour Bridge across the ...
A diagram of a Texas U-turn, also known as a Texas turnaround (this one with the local road over the limited-access highway) A Texas U-turn, or Texas turnaround, boomerang, or loop around, [citation needed] is a lane allowing cars traveling on one side of a one-way frontage road to U-turn onto the opposite frontage road (typically crossing over or under a freeway or expressway).
In New Zealand, where they drive on the left, when a road is given a green light from an all direction stop, a red arrow can continue to display to turning traffic, holding traffic back while the pedestrian crossing on the side road is given a green signal (for left turns) or while oncoming traffic goes straight ahead and there is no permissive right turn allowed (for right turns).