The City of Pasadena adopted new metrics for measuring transportation impact in 2015 that promote sustainable transportation and urban form. This paper describes the process by which conventional impact measures were replaced with metrics for sustainability and describes experiences with implementation of the metrics, development of companion elements, and monitoring performance. The integrated approach to planning, development review, and system management in use in Pasadena provides both a model framework for other cities and highlights the issues that can be encountered when using metrics that are less familiar to the public and decision makers.
California Governor’s Office of Planning and Research. Analyzing Transportation Impacts Text of the Proposed New Section 15064.3, Determining the Significance of Transportation Impacts. 2017. http://opr.ca.gov/ceqa/updates/sb-743/.
Data Sources: National Household Travel Survey, 2001, US Census 2000 and the City of Pasadena Parcel Database, 2010.
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RichardD.ReinkeD.FlanneryA.RyusP.VandeheyM.PetritchT.LandisB.RouphailN.BonnesonJ.Multimodal Level of Service Analysis for Urban Streets. NCHRP 616. Transportation Research Board, Washington, D.C., 2008.
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Examples includeEwingR.CerveroR.Travel and the Built Environment: A Meta-Analysis. Journal of the American Planning Association, Summer Vol. 76, No. 3, 2010; LeeC.MoudonA. V.Correlates of Walking for Transportation or Recreation Purposes. Journal of Physical Activity and Health, 2006; McCormackG. R., et al. The Relationship between Destination Proximity, Destination Mix, and Physical Activity behaviors. Preventive Medicine, Vol. 46, 2008, pp. 33–40; and BoerR., et al. Neighborhood Design and Walking Trips in Ten U.S. Metropolitan Areas. American Journal of Preventive Medicine, 2007; and ASTM E2843-17 Standard Specification for Demonstrating That a Building is in Walkable Proximity to Neighborhood Assets.
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Highway Capacity Manual, 5th ed. 2010, now superseded by the 6th ed. 2016. Transportation Research Board.
