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A grade-separated rail interchange is known as a flying junction and one which is not a level junction. In 1897, the London and South Western Railway (LSWR) made use of a flying junction at Worting Junction south of Basingstoke to allow traffic on the Salisbury and Southampton routes to converge without conflicting movements; this became known ...
In the field of road transport, an interchange (American English) or a grade-separated junction (British English) is a road junction that uses grade separations to allow for the movement of traffic between two or more roadways or highways, using a system of interconnecting roadways to permit traffic on at least one of the routes to pass through ...
A directional interchange is a grade separated junction between two roads where all turns that require crossing over or under the opposite road's lanes of travel to complete the turn utilize ramps that make a direct or semi-direct connection. The difference between direct and semi-direct connections is how much the motorist deviates from the ...
A grade-separated junction is a transport junction where at least one bridge or tunnel is used to separate traffic flows (known as grade separation). Relevant articles include: Road interchanges, known as grade-separated junctions in the UK; A flying junction, a type of grade-separated junction found on railway lines
While all expressways are grade separated at major roadways, many urban expressways in the Greater Kuala Lumpur region often have at-grade intersections, including with residential roads and shopfronts, thus do not meet the strict definition of a controlled-access highway.
A cloverleaf interchange has eight ramps, as does a stack interchange. They are fully grade separated, unlike a parclo, and have traffic flow without stops on all ramps and throughways. A parclo generally has either four or six ramps but less commonly has five or seven ramps.
Interstate 40 in Nashville, Tennessee is a controlled-access highway managed by right-of-way fencing and other access management protocol. Access management, also known as access control, when used in the context of traffic and traffic engineering, generally refers to the regulation of interchanges, intersections, driveways and median openings to a roadway.
Fretin triangle in France: Each side is more than 3 km (2 mi) long. A grade-separated wye. TGV and Eurostar trains cross the junction at 300 km/h (186 mph).. Simple flying junctions may have a single track pass over or under other tracks to avoid conflict; complex flying junctions may have elaborate infrastructure to allow multiple routings without trains coming into conflict, in the manner of ...