Stonebrooke providing roundabout design at two Scott County intersections

Stonebrooke Engineering was selected by Scott County to provide preliminary design services for the intersections of CSAH 68 at CSAH 91 and CSAH 8 at CSAH 23.

The intersection of CSAH 68 at CSAH 91 will be reconstructed to include a single lane roundabout for traffic control.  Improvements to this intersection will include the realignment of approximately 1800 lineal feet of CSAH 68 and 2200 lineal feet of CSAH 91 to accommodate a single lane roundabout and approaches.  This intersection has moderately high speed approaches and this reconstruction will place a strong focus on intersection visibility with careful treatments of approach curbing, transition lighting and signs. Design services will include preliminary design for roadway geometrics, profiles, drainage design and construction limits.

The intersection of CSAH 8 at CSAH 23 is being updated to include the realignment of approximately 2500 lineal feet of CSAH 8 and a single lane roundabout and approach lanes for traffic control.  The resulting roundabout intersections will eliminate the existing approach skew and improve the capacity and safety of the intersection. Design services will include preliminary design for roadway geometrics, profiles, drainage design and construction limits.

Concept geometrics for CSAH 68 at 91. Click to view larger image.

 

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