Laserfiche WebLink
Attachment D <br />Draft Review Summary <br />SRF No. 15234 <br />To: <br />Jesse Freihammer, PE, City Engineer and Assistant Public Works Director <br />City of Roseville <br />From: <br />Tom Sachi, PE, Associate <br />Mark Powers, PE, PTOE, Senior Engineer <br />Date: <br />January 17, 2022 <br />Subject: <br />Twin Lakes Station Traffic Impact Study Review, Roseville, MN <br />Introduction <br />As requested, SRF has completed a review of the Twin Lakes Traffic Impact Study document, dated <br />November 19, 2021 completed by Kimley-Horn. The proposed development is located north of <br />County Road C on Herschel Street in the City of Roseville and includes multifamily housing, senior <br />housing, multipurpose recreation facility and drinking place, medical-dental office building, drive-in <br />bank, fast food restaurant with drive-through window, and an automated car wash. A review of the <br />memorandum identified the following questions and comments for consideration. <br />Review Summary <br />Based on our review, the following items were identified: <br />Background Information <br />1.The data collected at the study intersections was taken in May 2019 before the impacts from <br />COVID-19, which is reasonable. The intersections collected are appropriate for the study. Data <br />was collected during the weekday a.m. and p.m. peak hours, which is appropriate. <br />Volume Development <br />2.The peak hour trip generation using the Institute of Transportation Engineers Trip Generation Manual, <br />11th Edition is accurate for the proposed land uses. Without knowing exactly what the <br />multipurpose recreation facility/drinking place entails, the numbers for that facility cannot be <br />verified. <br />3.The pass-by percentages are accurate for the drive-up bank are accurate. A pass by percentage was <br />not applied to the fast-food restaurant with a drive thru. <br />4.The internal capture in the a.m. peak is reasonable. However, the p.m. peak internal capture of <br />33% could be high. This results in the a.m. peak generating more new trips than the p.m. peak, <br />which seems unlikely given the land uses. If a tool or spreadsheet was used to arrive at the p.m. <br />internal capture percentage, it could be included. <br />5.The entering/exiting trips presented in Exhibit 1 do not add up to the volumes presented within <br />the trip generation table. However, the differences are negligible and could potentially be <br />attributed to a rounding error. <br />www.srfconsulting.com <br />3701 Wayzata Boulevard, Suite 100 | Minneapolis, MN 55416-3791 | 763.475.0010 Fax: 1.866.440.6364 <br />An Equal Opportunity Employer <br /> <br />