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A controlled-access highway is a type of highway that has been designed for high-speed vehicular traffic, with all traffic flow—ingress and egress—regulated. Common English terms are freeway, [ a ]motorway, [ b ] and expressway. [ c ] Other similar terms include throughway or thruway[ d ] and parkway.
The San Francisco–Oakland Bay Bridge, commonly referred to as the Bay Bridge, is a complex of bridges spanning San Francisco Bay in California. As part of Interstate 80 and the direct road between San Francisco and Oakland, it carries about 260,000 vehicles a day on its two decks. [ 3 ][ 4 ] It includes one of the longest bridge spans in the ...
Stack interchange. A directional interchange, colloquially known as a stack interchange, is a type of grade-separated junction between two controlled-access highways that allows for free-flowing movement to and from all directions of traffic. These interchanges eliminate the problems of weaving, have the highest vehicle capacity, and vehicles ...
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).
A vast network of interconnected freeways in the megaregion of Southern California serves a population of over 23 million people. The Master Plan of Metropolitan Los Angeles Freeways was adopted by the Regional Planning Commission in 1947 and construction began in the early 1950s. [1] The plan hit opposition and funding limitations in the 1970s ...
Roughly 7% of bridges across the country are in bad shape, the Federal Highway Administration says. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 ...
State Route 4. State Route 4 (SR 4) is a state highway in the U.S. state of California, routed from Interstate 80 in the San Francisco Bay Area to State Route 89 in the Sierra Nevada. It roughly parallels the Sacramento-San Joaquin River Delta, a popular area for boating and fishing, with a number of accesses to marinas and other attractions.
The Veterans Memorial Parkway in London, Ontario is a modern at-grade limited-access road with intersections. A limited-access road, known by various terms worldwide, including limited-access highway, dual-carriageway, expressway, and partial controlled-access highway, is a highway or arterial road for high-speed traffic which has many or most characteristics of a controlled-access highway ...