One-way pair: Difference between revisions
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{{Unreferenced|date=September 2007}}A '''one-way pair''' |
{{Unreferenced|date=September 2007}}A '''one-way pair''', '''one-way couple''', or just '''couplet''' is a pair of parallel, usually [[one-way street]]s that carry opposite directions of a signed route or major [[traffic]] flow, or sometimes opposite directions of a [[bus]] or [[streetcar]] route. |
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The usual purpose is to provide higher capacity by increasing the number of lanes in each direction. It also allows easier creation of a [[green wave]] by adjusting [[traffic light]]s on the through route, because fewer phases are needed at each intersection. |
The usual purpose is to provide higher capacity by increasing the number of lanes in each direction. It also allows easier creation of a [[green wave]] by adjusting [[traffic light]]s on the through route, because fewer phases are needed at each intersection. |
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Revision as of 22:00, 29 October 2009
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A one-way pair, one-way couple, or just couplet is a pair of parallel, usually one-way streets that carry opposite directions of a signed route or major traffic flow, or sometimes opposite directions of a bus or streetcar route.
The usual purpose is to provide higher capacity by increasing the number of lanes in each direction. It also allows easier creation of a green wave by adjusting traffic lights on the through route, because fewer phases are needed at each intersection.
On a one-way pair, traffic usually flows the same way as on a normal divided highway, though occasionally flow is switched.
See also
- Directional running, the equivalent for rail transport
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