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City transportation staff explains when full traffic studies are required for zoning cases
Summary
Transportation staff briefed the commission on the city's Transportation Impact Analysis (TIA) and Neighborhood Traffic Analysis (NTA) rules, saying full TIAs are generally done at site plan and are triggered by trip thresholds (e.g., 2,000 daily trips) while an NTA can be required when a project would add more than about 300 vehicle trips to a residential block.
Curtis Spady, division manager for Transportation Development Services, briefed the Zoning and Planning Commission on May 5 about how Austin evaluates traffic impacts for rezoning and development.
Spady explained there are two primary analyses: a full Transportation Impact Analysis (TIA), usually required when a proposal generates more than roughly 2,000 vehicle trips per day,…
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