final presentation (intersection improvement project)
TRANSCRIPT
Holbrook Campground Road at Midway RoadIntersection Improvement Project
FINAL PRESENTATION
JULY 27, 2016
PROJECT LOCATION
Source: GIS Cherokee County
EXISTING CONDITIONS
BACKGROUND
• Sight distance
• Midway Road stopped traffic looking left
• Safety• Accident reports
• Congestion
STOP SIGN ALTERNATIVE (1)
STOP SIGN ALTERNATIVE (2)
• Advantages• Solves sight distance issue• Safer approach
• Disadvantages• Little to no benefit for traffic
ROUNDABOUT ALTERNATIVE (1)
• Geometric Design• Inscribed circle
• Lane widths
• Entry, exit, circulatory
ROUNDABOUT ALTERNATIVE (2)
• Geometric Design• Horizontal curves
• 346’
• 362’
ROUNDABOUT ALTERNATIVE (3)
• Advantages• Solves sight distance issue• Safer approach speed• Improved intersection traffic flow and capacity• Cheaper alternative
• Disadvantages• Mainline traffic
TRAFFIC
Northbound Southbound Westbound
2016 AM A B A
2016 PM A A A
2036 AM C A A
2036 PM A A B
DRAINAGE
TYPICAL SECTION
UTILITIES
COST ESTIMATES
• Total Project Costs
• T Intersection: $ 543,748.00
• Roundabout: $ 513,585.00
FUTURE RECOMMENDATIONS
• Fastest Path Analysis
• Speed Control
• Traffic Predictions and Trend
CONCLUSION
• Safety• Sight Distance
• Speed
• Congestion• Traffic Flow
• Traffic Capacity
• Cost Effective
Thank You