Engineers explain level‑of‑service standards, data expectations and mitigation options
Aug 5, 2025
Presenters explained how level‑of‑service (A–F) is used to evaluate impacts, that chapter 6 requires LOS D per movement as a minimum, and that mitigation options include turn lanes, signal timing, or scope reductions when impacts cannot be mitigated.
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Traffic engineers explained how they measure intersection operations and determine mitigation: analyses use industry software and report level of service (LOS) by movement; Castle Pines' Chapter 6 sets LOS D as the minimum acceptable level for each movement and overall. "Chapter 6 says level of service d for each movement and overall is the minimum standard," one engineer told the council.
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