County adds authority for traffic-impact studies; language simplified to 'traffic impact study'

As part of TA-26-2, staff recommended replacing undefined references to a "level 1" traffic-impact analysis with the term "traffic impact study" and confirmed the code grants the county engineer the authority to require traffic studies for development plans. Planning staff said the change is largely a cleanup to align terminology and to ensure the county can require studies when appropriate.

The Mainland Planning Commission proposed keeping a "level 1" trip-generation memo as an industry standard initial screen and then requiring a fuller study if the engineer or traffic professional recommends more. Commissioners asked whether there is an appeal process when the county engineer requires a study; staff said the code, as written, contains no formal appeal of that requirement and that requirements depend on how code language is drafted. Danny Smith, assistant county manager, cautioned that timing matters: many traffic concerns arise at rezoning, when a traffic study may be premature, while full development review is the more appropriate point for a traffic-impact analysis.