April 2018
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City of Los Angeles GeoHub Presentation at ESRI

Congratulations to Lillian Coral and the City of Los Angeles for a great presentation on the value of GIS and how it is benefiting the City of Los Angeles. It’s a 9 minute video:

Analyzing 1.1 Billion NYC Taxi and Uber Trips, with a Vengeance

Pretty cool article about an analysis of taxi rides in New York – and some nice maps too.

Here is the article:



Case Study – MARS system saves County $12 million per year

Department of Auditor-Controller, ISD, and DPSS http://mars.lacounty.gov (internal site)

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Problem: Los Angeles County employees were spending significant time manually preparing, submitting, approving, and processing mileage and parking claims. Solution: The Mileage Authorization and Reimbursement System (MARS) eliminates the burdens and inefficiencies of the traditional paper process, and is […]

GIS Case Study – City Boundaries in Los Angeles County

Department of Public Works (DPW) http://dpw.lacounty.gov/mpm/cityannexations/

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Problem: Precisely locating city boundaries on the ground is crucial for infrastructure management and construction project planning. In Los Angeles County, it is standard practice is to show accurate city boundary locations, where applicable, on all survey maps being submitted […]

LA County Enterprise GIS Services Catalog

The eGIS Services Catalog is the overarching document of the services offered by the Los Angeles County Enterprise GIS Group. It describes in increasing detail (from overview to detailed technical aspects) the six services that are offered as part of the LA County Enterprise Program:

Data Services Online Mapping Services […]

Story map of LA City Major Projects

This website is one of the nicest uses of the ESRI Story Map Template I’ve seen – showing major projects in the City of Los Angeles as put together by the LA City Department of Planning.

I like how the site plans are included, along with relevant documents like the Environmental Impact Statements, etc.


GIS Case Study – LA County Regional Storm Drain System

Department of Public Works (DPW) http://dpw.lacounty.gov/fcd/stormdrain

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Problem: Los Angeles County‚Äôs urbanization took place in a region prone to periodic droughts and flooding. Designed to protect life and property from flooding caused by major storm events, a drainage infrastructure of debris basins, catch basins, inlet structures, underground […]

GIS Case Study – DCFS Referral Address Verification System (RAVS)

Referral Address Verification Systems (RAVS) Department of Children and Family Services (DCFS) http://gis.lacounty.gov/ravs

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Problem: DCFS Child Protection Hotline (CPH) has no means of determining the accuracy of the referral address to appropriately assign referrals to Regional Office and cross reporting to Law Enforcement Agency. Solution:The Referral Address […]

GIS Case Study – 2010 Local Update of Census Addresses (LUCA)

2010 Local Update of Census Addresses (LUCA) Chief Executive Office (CEO), Urban Research Group http://www.census.gov

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Problem: The County of Los Angeles provides services to the residents of the County. Many programs are supported by federal funding that is calculated by the number of residents of the County. […]

GIS Case Study – LA County Solar Map

LA County Solar Map and Green Planning Tool Chief Information Office with Internal Services Department http://solarmap.lacounty.gov

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Solar photovoltaic electricity deployment has been slowed in LA County, and elsewhere, due to the complexities of the installation process. A business or resident interested in solar […]