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In 2020, Urban Design 4 Health (UD4H) updated the Smart Location Database (SLD) for the U.S. Environmental Protection Agency (EPA). EPA is scheduled to release the updated SLD shortly on their Smart Location Mapping website.

UD4H also updated the statistical models for the vehicle miles traveled portion of the U.S. General Services Administration (GSA) Smart Location Calculator. GSA is working through the process to release this.  

SLD Data Release & Applications Webinar
To kick off the release of the new 2021 SLD, UD4H is participating in the Tools for Mapping Smart & Walkable Locations webinar. It will take place on June 17, 2021 at 1:00PM EST/10:00AM PST. This no-cost webinar will review the updated 2021 SLD and feature an expert panel that will showcase how SLD measures have been used for a variety of applications.

The presenters are Dr. Lawrence Frank, President of UD4H, and Eric Fox, Senior Planner at UD4H, John Thomas, Division Director at the Offices of Sustainable Communities at the U.S. EPA, Dr. David Berrigan, a Program Director at the Health Behaviors Research Branch at the National Cancer Institute and Kim Anderson, Senior Advisor at Regional Government Services (RGS).

This webinar will be hosted by the Smart Growth Network and the Maryland Department of Transportation. Participants of the live webinar are eligible for 1.5 AICP CM credits.

Register for the Webinar (no-cost): Tools for Mapping Smart & Walkable Locations

Originally released in 2013, the SLD is a census block group-level database with a series of built environment and transportation access metrics comprising 5 core domains: 1)
Density, 2) Diversity, 3) Design, 4) Transit and 5) Accessibility. The SLD is a well-known data resource used by federal agencies, planners, practitioners, researchers and community groups and other non-governmental organizations seeking a range of built environment metrics applicable for any region in the country.

The new SLD is based on:

  • Expanded transit coverage:
    • More recent General Transit Feed Specification (GTFS) data
    • Transit agencies included in the SLD more than doubled - now 573 agencies
    • Transit data now available for over 130 more regions
    • Regions with partial coverage before now have complete transit service coverage
    • Integrated more recent fixed-guideway transit stops for new rail lines and extensions
  • The latest updated demographic and employment data from the U.S. Census Bureau
  • Enhanced measures of auto and transit accessibility using traffic congestion weights
  • Expanded measure coverage for Alaska, Hawaii, Puerto Rico and the U.S. overseas territories (where data available)

Register for Webinar (no cost):  Tools for Mapping Smart & Walkable Locations
Read the latest announcement: 2021 Smart Location Database Release

Let us know if you would like to discuss ways UD4H can help you to integrate health, equity, and the built, natural, and social environment more fully into your work. Learn more about the services we offer.


Contact us for more information.

Dr. Lawrence Frank, President, and the UD4H Team

Urban Design 4 Health (UD4H) develops evidence and tools to support healthy, sustainable, energy secure transportation and land use decision making.

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Copyright © 2021 Urban Design 4 Health, Inc., All rights reserved.

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