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HomeMy WebLinkAboutRS_Traffic_Supplemental_Memo_Samped_Signed_Coverpage_v1MEMORANDUM DATE: April 18, 2017 TO: Ann Fowler City of Renton FROM: Jeff Schramm / Amy Wasserman TEN W V T E N W Transportation Engineering North West SUBJECT: VIA 405 Apartments (PRE16-000866)4/20/17 Trip Generation and Transportation Impact Fee Estimate TENW Project No. 5399 This memorandum documents the trip generation and transportation impact fee estimate for the proposed VIA 405 Apartments project located in Renton, Washington. Project Description The proposed VIA 405 Apartments project is located within the Renton Village site at 25 South Grady Way in Renton as shown in the Attachment A site vicinity map. The proposed project would include the construction of up to 270 multi -family apartments that would replace an existing 2,320 seat movie theatre. The site has private easement access to public right-of-way as it is located on a portion of the Renton Village site. Primary vehicular access to the site is expected at the intersections of S Grady Way/Lake Ave S, Talbot Road S/S Renton Village Place, and S Grady Way/Shattuck Ave S. The proposed residential project is expected to be completed and occupied by 2020. A preliminary site plan is included in Attachment B. Trip Generation The trip generation estimates for the proposed and existing use were based on methodology documented in the Institute of Transportation Engineers (ITE) Trip Generation Manual, 9th Edition for Apartments (LUC 220) and Movie Theatre with Matinee (LUC 444). Adjustments to the trip generation estimates were made to account for local mode -split data (applied to the proposed residential use only) and to also account for internal trips between the proposed and existing uses and the existing Renton Village shopping center use which is approximately 100,000 square feet adjacent to the proposed VIA 405 Apartments. Local mode -split adjustments were made to the trips associated with the proposed residential land use. The proposed project is located within Census Tract 253.02, where 70.5% of workers commute to work via vehicle with an average vehicle occupancy (AVO) of 1.13 according to the US Census Bureau 2015 American Community Survey (see Attachment Q. Therefore, an adjustment was made to the residential trip generation to reflect the use of non -vehicle modes of transportation. It should be noted that this local mode - split adjustment may be considered conservative given the fact that the Renton Transit Center is proposed to be relocated across the street from the VIA 405 project on Grady Way S in coordination with the Sound Transit 3 project, and as such, non -vehicle trips may increase as a result of the relocated transit center. 7n, +n+, N—ening I Design I Traffic Impact & Operations 11400 SE 8+h Street, Suite 200, Bellevue, WA 98004 1 Office (425) 889-6747