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*Provides for two-phase signals with short cycle lengths, significantly reducing delay.

*Reduced horizontal curvature reduces risk of off-road crashes.

*Increases the capacity of turning movements to and from the ramps.

*May potentially reduce the number of lanes on the crossroad, minimizing impacts to existing right-of-way.

*Substantially reduces the number of conflict points, thus theoretically improving safety.

*Theoretically improves pedestrian safety{{citation needed|date=November 2011}}.

*Increases the capacity of an existing overpass or underpass, by removing the need for turn lanes.

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12y ago

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