KIMLEY-HORN & ASSOCIATES, INC. 3 - 2007

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CITY OF SANTA ANA ENVIRONMENTAL SERVICES I TRAFFIC MAY 21, 2007 TRAFFIC CALMING We recognize the need to balance the mobility needs of the region with the quality of life needs of the community and residents. When addressing the functional and aesthetic needs of municipal road corridors, and the competing needs of automobiles and pedestrians, Kimley-Horn's team emphasizes a wide variety of traffic calming principles, including: Narrowed lane widths that serve to slow traffic and reduce the overall street width —while providing safer pedestrian crossings Heavily landscaped medians that reduce the appearance of expansive paving, help slow traffic, lower the number of accidents, and promote pedestrian safety through the provision of median "refuges" at crosswalk locations Raised intersections (or "speed tables"), equal to the elevation of the sidewalk, that redefine the road as a "pedestrian area through which traffic must pass" vs. traditional intersections that are clearly "vehicular spaces through which pedestrians and bicyclists must pass". Such intersection designs often incorporate special paving designs to further reinforce their presence and importance. TRAFFIC ENGINEERING Kimley-Horn has provided traffic Kimley-Horn offers complete in-house traffic engineering studies and designs for morethan 20,000 sites nationwide. u services in the areas of signal system design; interconnect, Our services include: timing plans, and intersection design; signing and striping Traffic forecasting S plans; speed zoning studies; safety and operations studies; Traffic counts jaccident analysis; pedestrian safety programs; innovative - Traffic impact analyses parking, access, and circulation studies; and general Safety studies consultation in traffic engineering. Neighborhood traffic studies Signalized intersection We plan and design signal systems to maximize existing and design planned investments. We use up-to-date operational models Signal timing including HCS, Synchro, Vissim, and CORSIM° to help Accident reconstruction optimize the timing and phasing of signals and systems, Expert testimony improving operations at intersections, along roadways, or throughout a congested downtown area. INTELLIGENT TRANSPORTATION SYSTEMS (ITS) Kimley-Horn is a founding member of ITS America, and is among the premier ITS firms in the country. We have remained at the forefront of transportation technology for nearly four decades. Our work in this area includes feasibility studies, plans and specifications, software development, and construction engineering and inspection. We have planned, designed, and implemented high- technology systems and control centers with networked computer systems, closed-circuit television cameras, monitors, and variable message signs; large-scale video and graphical user interfaces; dial -up traveler information systems; automated emergency dispatching; computer -generated voice messaging; and links with other traffic signal control centers. TL770071.07 - q - Copyright © 2006, Kimley-Horn and Associates, Inc. KimlHorn ❑�❑ and Associates, Inc.