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Encyclopedia > Superstreet
At a superstreet, all traffic on the side road must turn right, where it can access a U-turn ramp. Traffic on the main road can turn left directly.
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At a superstreet, all traffic on the side road must turn right, where it can access a U-turn ramp. Traffic on the main road can turn left directly.

A superstreet is a type of road intersection which is a variation of the Michigan left. In this configuration, a lower traffic crossing intersection is closed to all motorized traffic so that the sidestreet traffic wishing to turn left or go straight must turn right onto the divided highway where they must make a U-turn through the median a short distance away from the intersection and then either go straight or make a right turn at their intersection. A typical Michigan left setup. ...


External links

  • North Carolina DOT - proposed superstreet in Chapel Hill (note: this project does not include the left turns from the main road)
  • Brunswick Beacon article Superstreet considered for U.S. 17
Types of road junctions
Interchanges
(grade separated)
Cloverleaf - Diamond - Directional T - Diverging diamond
Parclo - Trumpet - SPUI - Stack
Intersections
(at-grade)
Box junction - Continuous flow - Crossroads - Hook turn - Jughandle - Michigan left
Quadrant roadway - Roundabout - Superstreet - 3-way junction - Traffic circle


 

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