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Traffic study: apartments forecast fewer daily trips than historic theater but peak hourly activity may rise
Summary
Traffic engineers presented counts and models showing the movie theater's trip-generation rating (1,760 trips/day) versus the apartment forecast (~933 trips/day); existing hourly driveway counts were far lower (16–26 vehicles/hour) but commissioners requested baseline counts and further detail on peak comparisons and conversion methodology.
The commission pressed the applicant and the project's traffic consultant for baseline counts and methodology after the applicant cited standard trip-generation estimates. The presentation said the theater's original trip-generation estimate is about 1,760 vehicle trips per day, while the proposed multifamily development is forecast at about 933 trips per day. Greg Schrader, the project's traffic engineer, said the study included existing condition counts taken while the theater was in session and applied recognized trip-generation rates with multimodal adjustments for transit and walking.
Schrader highlighted the difference between hourly and daily volumes: at the subject driveway he described measured peak-hour flows of roughly 16–26 vehicle trips per hour ("16 vehicle trips per hour... that's roughly 1 vehicle trip every 4 minutes") and explained how engineers convert peak-hour volumes to an order-of-magnitude daily estimate. Commissioners asked for the raw baseline counts to be provided as a follow-up to better compare current operations to the 933 trips/day forecast for the apartments.
