What Why How

CFI - SR 400 @ SR 53, Dawson County, GA Intersection Control Evaluation

A performance-based approach to objectively screen alternatives by focusing on the safety related benefits of each. Traditional Intersections

SR 11 @ SR 124, Jackson County, GA Johnson Rd @ SR 74, Fayette County, GA

Dogwood Trail @ SR 74, Fayette County, GA Roundabout

SR 138 @ Hembree Rd, Fulton County, GA Roundabout

• 215+ Existing • 50+ On System/or GDOT $$ • 165+ Off System • 20+ Currently Under Construction • 155+ Planned/programmed RBTs

6 Diverging Diamond Interchange (DDI)

I-95 @ SR 21, Port Wentworth, Chatham County, GA Diverging Diamond Interchange (DDI)

• 6 Existing • 2 Design/under construction • 10+ Under consideration

Total: 18+ Continuous Green T

SR 120 @ John Ward Rd SW, Cobb County, GA Single Point Urban Interchange (SPUI)

SR 400 @ Lenox Rd NE, Fulton County, GA Reduced Conflict U-Turn (RCUT)

SR 20 @ Nail Rd, Henry County, GA Continuous Flow Intersection (CFI)

SR 400 @ SR 53, Dawson County, GA Unsignalized Signalized • Minor Stop • Signal • All-Way Stop • Median U-Turn • Mini Roundabout • RCUT • Single Lane Roundabout • Displaced Left Turn (CFI) • Multilane Roundabout • Continuous Green-T • RCUT • Jughandle • RIRO w/Downstream U-Turn • Diamond Interchange (signal) • High-T (unsignalized) • Quadrant Roadway • Offset-T Intersections • Diverging Diamond • Diamond Interchange (Stop) • Single Point Interchange • Diamond Interchange (RAB) • Turn Lane Improvements • Turn Lane Improvements • Other Intersection Control Evaluation

Deliver a transportation system focused on innovation, safety, sustainability and mobility. Why ICE?? • Enhance Safety • Institutionalize Innovation • Aid young designers • Provide Data Driven Solutions Intersection Control Evaluation

Stage 1 Stage 2 Alternative ICE Screening Selection Unsignalized Signalized • Minor Stop • Signal • All-Way Stop • Median U-Turn • Multilane Roundabout • Signalized RCUT • Mini Roundabout • Displaced Left Turn (CFI) • Single Lane Roundabout • Continuous Green-T • RCUT • Jughandle • RIRO w/Downstream U-Turn • Diamond Interchange (signal) • High-T (unsignalized) • Quadrant Roadway • Offset-T Intersections • Diverging Diamond • Diamond Interchange (Stop) • Single Point Interchange • Diamond Interchange (RAB) • Turn Lane Improvements • Turn Lane Improvements • Other Unsignalized Signalized • Minor Stop • Signal • All-Way Stop • Median U-Turn • Multilane Roundabout • Signalized RCUT • Mini Roundabout • Displaced Left Turn (CFI) • Single Lane Roundabout • Continuous Green-T • RCUT • Jughandle • RIRO w/Downstream U-Turn • Diamond Interchange (signal) • High-T (unsignalized) • Quadrant Roadway • Offset-T Intersections • Diverging Diamond • Diamond Interchange (Stop) • Single Point Interchange • Diamond Interchange (RAB) • Turn Lane Improvements • Turn Lane Improvements • Other Stage 2 - Alternative Selection Shortlist of Alternatives from Stage 1 • Safety Benefit RCUT RAB • Operational Benefit • Overall Cost Benefit Traffic Signal • Environmental Impacts • Stakeholder Posture

Preferred Alternative Automated Tool: 1. Streamline Process 2. Ease of Use 3. Add Consistency What are Other States Doing? 2015

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