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County consultants offer two main Saint Simons gateway designs; board asked to pick preferred alternative to move into schematic design
Summary
Consultant Moffett Nichel presented two primary alternatives for the Saint Simons Island gateway: a three-roundabout option and a continuous-flow/displaced-left (CFI) option. Both improve traffic flow and safety; cost estimates and trade-offs on delays, wetlands impact and constructability were discussed.
Consultants presented two preferred alternatives for the Saint Simons Island gateway and Demery Road improvements and asked the Glynn County Board of Commissioners to indicate a preferred concept to advance into schematic design.
What was presented: Roland Talbot, director of capital development, introduced consultants from Moffett Nichel (presentation lead identified as Ron [surname unclear in transcript]) who said they had narrowed concepts to a three-roundabout alternative and a continuous-flow/displaced-left (CFI) alternative. The consultants described estimated construction costs that range from about $11–$13 million for the CFI option to $15–$17 million for the three-roundabout option; utility adjustments and right-of-way needs were also discussed.
Key trade-offs: The three-roundabout…
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