final presentation (intersection improvement project)

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