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Planning board reviews draft traffic‑study guidelines; staff to refine thresholds
Summary
Traffic engineer Elizabeth McChesney presented draft Middletown traffic impact study guidelines proposing a 100‑trip threshold and detailed data and software standards; board members asked staff to clarify thresholds so small projects are not overburdened and to add references to ITE guidance and study‑area rules.
The planning board reviewed draft Traffic Impact Study (TIS) guidelines prepared by Crossman Engineering and presented by registered traffic engineer Elizabeth McChesney.
McChesney outlined a recommended workflow: an initial scope memo to define study limits, manual turning‑movement counts during weekday AM and PM peak hours (7–9 a.m., 4–6 p.m.), 48‑hour ATR guidance for segment counts, preferred analysis software (Synchro for…
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