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A cloverleaf is the minimum interchange required for a four-legged system interchange. Although they were commonplace until the 1970s, most highway departments and ministries have sought to rebuild them into more efficient and safer designs. [23]
The diverging diamond interchange has advantages in both efficiency and safety, and was cited by Popular Science as one of the best engineering innovations of 2009 [3] and in the U.S. has been promoted as part of the Federal Highway Administration's Every Day Counts initiative. [4]
A dumbbell interchange along Ontario Highway 401 in Clarington, Ontario, Canada.This one features a loop ramp. The ramp intersections may also be configured as a pair of roundabouts [1] to create a type of diamond interchange often called a dumbbell interchange [citation needed] (due to its aerial resemblance to a dumbbell), and sometimes called a double roundabout interchange.
Highway Interchange between Dolphin Expressway and Palmetto Expressway (Dolphin–Palmetto Interchange) in Greater Miami, Florida, United States The first stack interchange was the Four Level Interchange (renamed the Bill Keene Memorial Interchange), built in Los Angeles , California, and completed in 1949, at the junction of US Route 101 (US ...
The west side of the diverging diamond highway interchange at I-270 and Roberts Road switches traffic to the opposite sides of the road as it passes over the freeway and create free-flow turns ...
East Los Angeles Interchange; El Toro Y, at convergence of I-405 with I-5, in El Toro, California. This was thought to be one of the most congested interchanges in the world at one time. Four Level Interchange (1949), US 101 & SR 110; Hollywood Split; Joe Colla Interchange; Judge Harry Pregerson Interchange, I-110 and I-105; Kellogg Interchange ...
The N.C. Department of Transportation plans to convert U.S. 70 into an interstate highway, I-42, through the battlefield and proposes building an interchange at Caswell Station and Wyse Fork roads.
Tourists are paying to visit a ‘misunderstood’ highway interchange — so unusual it’s in the Guinness Book of World Records David Landsel September 12, 2024 at 8:20 PM