About the Project

REVISION is a regional mapping and analysis application that integrates a range of public and private data for sustainable communities planning and trend visualization.  

The UCLA Lewis Center for Regional Policy Studies and SCAG received funding from the Strategic Growth Council to create a common regional performance monitoring tool for sustainable communities indicators.

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REVISION is a cloud-based application that is usable by anyone with a modern web browser.  It is intended for a broad range of stakeholders.  

REVISION is available for the SCAG Region (Imperial, Los Angeles, Orange, Riverside, San Bernardino, and Ventura Counties).

REVISION once stood for (Regional Engaging, Visioning, and Implementing Sustainability through Infill Opportunities Network).  It is a transformational upgrade to the CALOTS (California Land Opportunities Tracking System), which from 2002 to 2012 served as a useful, public tool over the past decade of integrated regional transportation and land use planning.

Dozens of stakeholders attended advisory group meetings to provide input on needed analysis for sustainable communities planning, metrics and indicators to be included, and site functionality and usability.  These included representatives from:

About the People behind the Project


Juan Matute envisioned the project and served as project manager. He is the Associate Director of the UCLA Lewis Center for Regional Policy Studies.

Norman Wong served as the technical lead for the project, managing hardware and software needs and supervising students. Norman was the project’s lead expert on ArcGIS Server.

Diana Benitez led data acquisition, analysis, and documentation while a graduate student in UCLA’s Department of Urban Planning.  

Shamik Maganlal worked on the application as a first and second year UCLA student majoring in statistics and economics. Shamik led work on the CartoDB cloud-based map and computing service and Python development for back-end data cleaning and processing.

Jennifer Jo worked worked as an undergraduate student to polish the design of the application using CSS and Javascript.

Karolina Gorska worked on the application as a post-doctoral researcher. Her doctoral research focused  on assessing neighborhood change in historic districts of Los Angeles.  

About the UCLA Lewis Center for Regional Policy Studies

The Lewis Center advances research solutions for California’s urban and regional challenges, with an emphasis on transportation, economic development and housing, and the environment.

Founded in 1988 as a research center of the UCLA Luskin School of Public Affairs, we are dedicated to the interdisciplinary study and understanding of urban and regional policy issues affecting California.  We support high-quality scholarly research, offer public programs and events, conduct a wide range of research studies, and provide accessible publications of our research findings. We strive to make our research and activities accessible and responsive to policymakers, opinion leaders, public officials, and the general community.


Ping Chang is the program manager.

Michael Gainor is a Senior Regional Planner for the Southern California Association of Governments.

Kimberly Clark works in SCAG’s GIS and Data Services group.  She prepared many of SCAG’s map services for public use on REVISION.  

About SCAG

Founded in 1965, the Southern California Association of Governments (SCAG) is a Joint Powers Authority under California state law, established as an association of local governments and agencies that voluntarily convene as a forum to address regional issues. Under federal law, SCAG is designated as a Metropolitan Planning Organization (MPO) and under state law as a Regional Transportation Planning Agency and a Council of Governments.

The SCAG region comprises of the following six counties: Los Angeles, Riverside, San Bernardino, Imperial, Ventura, and Orange County.

Terms and Conditions for use of REVISION


UCLA encourages the use of this site and other UCLA sites, regardless of domain address, as a way to share information and knowledge in support of the University's three-part mission of education, research and public service. These sites are owned by The Regents of the University of California and operated by UCLA. Site content is subject to change without notice. While most sites are publicly accessible, certain services and information offered on-line may be restricted to specific users or segments of the UCLA population.

Disclaimer of Liability

UCLA, the Regents of the University of California and SCAG, including its governing board (the Regional Council), members, employees and agents, shall not be held liable for any improper or incorrect use of the materials or information described and/or contained in these sites and assumes no responsibility for user's use of them. In no event shall UCLA or SCAG be liable for any direct, indirect, incidental, special, punitive, exemplary or consequential damages (including, but not limited to any damages for anticipated profits, loss of revenue, economic loss, loss of data, costs of procurement of substitute goods or services; loss of use of equipment, or interruption of business) arising in any way out of the use of these sites or materials and information herein, even if advised of the possibility of such damage. This disclaimer of liability applies to any damages or injury, including but not limited to those caused by any failure of performance, error, omission, interruption, deletion, defect, delay in operation or transmission, computer virus, communication line failure, theft or destruction or unauthorized access to, alteration of, or use of record, under any theory of liability whether for breach of contract, tortious behavior, negligence or under any other cause of action.  UCLA and SCAG strive to provide the most current information in a timely fashion. However, materials and information including maps on these websites are produced in whole or in part from a variety of sources. UCLA and SCAG are not responsible for inaccuracies in data from other sources.