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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 Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, or the Eisenhower Interstate System, is a network of controlled-access highways that forms part of the National Highway System in the United States. The system extends throughout the contiguous United States and has ...
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 ...
An arterial road or arterial thoroughfare is a road without controlled access that can carry a large volume of local traffic at a generally high speed, being below controlled-access highways in the hierarchy. Because their primary function is to connect collector roads (below) to controlled-access highways, some are considered limited-access roads.
A junction that connects a controlled-access facility to a lower-order facility, such as an arterial or collector road. [4] The mainline is the controlled-access highway in a service interchange, while the crossroad is the lower-order facility that often includes at-grade intersections or roundabouts, which may pass over or under the mainline. [5]
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 Interstate highway system in the United States is the largest national controlled-access highway network in the world. Maximum speed limits in the U.S. states vary by state from 60 to 85 mph. Maximum speed limits in the U.S. territories vary by territory from 15 to 65 mph.
The Pellissippi Parkway is a major highway in Knox and Blount counties in the Knoxville metropolitan area in Tennessee that extends 19.75 miles (31.78 km) from State Route 62 at Solway to SR 33 in Alcoa. It provides access to the cities of Oak Ridge and Maryville from Interstates 40 and 75 in the western part of Knoxville and also serves a ...