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Office of Planning, Environment, & Realty (HEP)
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Understanding LEHD and Synthetic Home to Work Flows in "ON THE MAP"

ome Block Source Data

Home Block A B C D
Likelihood Distribution 25% 50% 25% 0%
Prior Distribution 10% 40% 30% 20%
PPD for large population 22% 48% 26% 4%
PPD for small population 0.16 0.44 0.28 0.12

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Updated: 05/06/2011
HEP Home Planning Environment Real Estate
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000