A one-way pair, one-way couple, or couplet refers to that portion of a bi-directional traffic facility – such as a road, bus, streetcar, or light rail line – where its opposing flows exist … See more

Australia
The Sydney central business district features a number of one way pairs. One example is Pitt Street with Castlereagh Street. Pitt street carries only northbound traffic from Goulburn Street to Market Street. … See more

In the context of roads, a one-way pair consists of two one-way streets whose flows combine on one or both ends into a single two-way street. The one-way streets may be separated by just a single block, such as in a grid network, or may be spaced further … See more

• Roads portal
• Directional running, the equivalent for rail transport See more