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The scenario was prepared in response to a request from the state Department of Transportation (DOT) to study alternatives for traffic, according to a letter from Andrew Tung, who is a planner for Chappaqua Crossing owner Summit/Greenfield.
The roundabout scenario would involve using land from Chappaqua Crossing and adjacent property at the intersection of Route 117 and Roaring Brook Road; the latter is also owned by Summit/Greenfield. Under the plan, the roundabout would link Route 117, Roaring Brook and a main access road to Chappaqua Crossing into a consolidation intersection.
A green space would replace the eastern portion of Roaring Brook's right of way, effectively giving a large front yard for residents on the southern end of the road. The roadway into Chappaqua Crossing, which is labeled as the east entry, would be shifted to the south in order for it to connect to the intersection.
"As currently shown, the roundabout plan may improve traffic movements and alleviate a number of construction challenges associated with the Town Board-approved turning lanes at the subject intersection," Tung wrote, adding that it would lead to more site disturbance on his client's properties.
The roundabout plan would entail removing about 100 trees and disturb roughly two acres, Tung added.
Summit/Greenfield's proposed plan for the intersection for Route 117 and Roaring Brook Road would main its T-shaped nature but add turning lanes to assist with traffic volume. An application with the DOT for review of the proposal is pending, Tung wrote.
Summit/Greenfield is seeking a Town Board approval that would enable the roundabout scenario. Tung wrote that it involves amending the previously approved preliminary development concept plan (PDCP) for the site, which is a draft layout for the property's retail proposal. The retail PDCP was approved by the Town Board in May.
The Town Board voted on Monday to schedule an Oct. 13 public hearing on amending the retail PDCP.
Information about the roundabout scenario can be found on pages 51 to 58 in the packet for Monday's board meeting, which is available here.
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