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Attachment B T "2 C To: Marcus J. Culver, PE, Public Works Director City of Roseville From: Matt Pacyna, PE, Principal Transportation Collaborative & Consultants, LLC Date: January 5, 2022 Subject: Regional Transportation Project Concept Design Review INTRODUCTION REPORT TC2, in partnership with SRF, was asked to assess regional transportation needs within the general Roseville Mall Area. For purposes of this review, the mall area is defined as County Road D to the north, 1-35W to the west, County Road B to the south, and Hamline Avenue to the east. This transportation infrastructure review focuses on three key tasks investigating potential capacity improvements at the Snelling Avenue/County Road C intersection, a new pedestrian bridge crossing Highway 36 west of Snelling Avenue, and general multimodal improvements to address system gaps. The goal is of this review is to better understand the feasibility and costs associated with the identified regional transportation infrastructure improvements. This information will help the City plan, prioritize, and identify potential funding sources. The following information provides an overview of the Regional Transportation Project Concept Design assumptions, methodologies, and findings. CONCEPT DEVELOPMENT As noted earlier, regional transportation improvements were developed for the following key areas. • The Snelling Avenue / County Road C Intersection • A New Highway 36 Pedestrian Bridge (West of Snelling Avenue) • Multimodal Gaps along Regional Roadways (Area -Wide) The following information provides an overview of each area, including pertinent historical studies, key issues, and the technical evaluation used to identify the associated concepts. Snelling Avenue / County Road C Intersection For several years, this at -grade intersection has operated near and/or over -capacity during peak periods and has a significant crash history, as documented in the Citv's Transoortation Plan and the Snelling Avenue Corridor Analysis completed in 2019. Both County Road C and Snelling Avenue (also known as Mn Highway 51) are classified as A -Minor arterial roadways. Snelling Avenue is generally a four -lane divided expressway that has a combination of interchanges and at -grade intersections along the corridor. County Road C is generally a four -lane divided urban arterial roadway with a combination of public and private access. Snelling Avenue carries approximately 30,000 to 38,000 vehicles per day (vpd), while County Road C carries 12,000 to 17,000 vpd. www.transportationcollaborative.com