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Regular City Council Meeting Monday,February 23, 2015 Page 5 11. Presentations a. Twin Lakes Area Traffic Study Update City Engineer Marc Culver provided background information for design and completion of Twin Lakes Parkway; and to verify and/or respond to other ques- tions raised regarding accuracy of the previous traffic study and changes in the ar- ea and within the region. Mr. Culver advised that the City Council had previously directed staff to contract with a traffic consultant to update the 2007 traffic study and the original Alterna- tive Urban Area-wide Review (AUAR) completed in 2001. Mr. Culver noted that the study included changes in traffic volume, corridors and intersections, and im- pacts of an extension of Twin Lakes Parkway. Mr. Culver introduced Mr. Vaughn. SRF Consulting Group Traffic Engineer Craig Vaughn Mr. Vaughan noted that he had also performed the 2007 traffic study as well as this update; and appreciated the opportunity to verify his previous data and mod- eling with the realities under this update. Mr. Vaughn's presentation highlighted data and findings encapsulated in his Memorandum dated February 12, 2015 (Attachment A) and included with the RCA. Those highlights included recognizing the expanded study area not originally in- cluded in past analyses and bounded by Snelling Avenue, Cleveland Avenue, County Road D and County Road C within the City of Roseville. Mr. Vaughan noted this involved sixteen key intersections, with two found to already be operat- ing unacceptably (Lincoln Drive and Snelling Avenue as they intersected with County Road C. Some of the findings and comparisons included: changes to the 2030 regional travel demand model since the 2007 AUAR study (page 13); operation levels of the sixteen key intersections and their operations (page 7); recommended roadway improvements under future conditions (page 18); and recommended improve- ments under all three scenarios for Fairview and Lydia Avenues (page 22); in ad- dition to the affects projected for extension of Twin Lakes Parkway (pages 23 — 25). City Council Discussion At the request of Councilmember McGehee, Mr. Vaughn reviewed industry standard traffic modeling was done and calculations applied, and differential in- formation used in a regional travel demand model utilizing existing conditions and travel volumes in the area today and how it could exist based on traffic origi-