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warranty information on the product; upcoming presentation by Arizona State University to the Roseville City Council and others interested in the best value procurement process used for awarding contracts versus standard low bid or alternative bidding processes; and hydrologic dredging planned in the summer of 2013 for Villa Park sediment removal and restoration of wetland depth. 5. Traffic Signal/Intersection Discussion Ms. Bloom introduced Professional Traffic Operations Engineer Mr. Mike Spack with Spack Consulting to provide the Commission with background on traffic signals, timing practices for MnDOT and Ramsey County, and pedestrian options. Ms. Bloom noted that Mr. Spack assisted the City on signal design for the Northeast Suburban pathway corridor, and updated intersection signal options for bicycles and pedestrians. Ms. Bloom noted that the most recent PWETC discussions were related to "free rights" near the TH36/Fairview Avenue Ramp signals. Mr. Spack reviewed theory, priorities, and best practices used for pedestrian crossing design, along with implications related to those designs, including legal requirements and/or considerations. Among those issues, Mr. Spack identified legal, Americans with Disabilities Act (ADA) requirements and concerns, best practices, and the importance of safety for both vehicles as well as pedestrians. Mr. Spack reviewed specifics, using the Rosedale area as an example, addressing signal cycles and timings depending on crossing width and state law (3.5 feet per second for pedestrian crossing); cycles with and without walk signals to avoid vehicle back-ups and optimizing the system; obsolescence of the push button walk systems of the past; costs of hardware infrastructure; and options for bicycles to choose to be on the roadway and treated like a vehicle or as a pedestrian on sidewalks. Mr. Spack noted that pedestrians are legally obligated, in accordance with state law, to obey signal indications at intersections. However, Mr. Spack noted recent legislation that vehicles had to yield and give the right-of-way to pedestrians when they were crossing at an intersection on a roadway, independent of whether or not there is a painted crosswalk at an intersection. Mr. Spack addressed various phenomena from studies done in the late 1990's and 2000's related to traffic signals on busy roadways and the frequency of pedestrians getting hit in painted crosswalks being three (3)times higher than without a painted crosswalk; and indications that behavior between a motorist and pedestrian were the overall factor, not the presence of a crosswalk. Mr. Spack advised that if there was no obvious or major destination, some intersections may not have crossings; with the industry rationales being that it was better to have pedestrians congregate at major crossings where possible. Mr. Spack reviewed the basics of signal timing;jurisdictional issues and approvals; rationale for placement of crosswalks and/or lack thereof at Fairview Avenue and Highway 36. Page 3 of 6