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Low Transportation Cost Index

Published by U.S. Department of Housing and Urban Development | Department of Housing and Urban Development | Metadata Last Checked: August 04, 2025 | Last Modified: 2023-07-21T19:16:14.487Z
The Low Transportation Cost Index is based on estimates of transportation expenses for a 3-person single-parent family earning 50% of the median income for renters in the surrounding region (i.e. Core-Based Statistical Area). The estimates come from the Location Affordability Index (LAI). The data correspond to those for household type 6 as noted in the LAI data dictionary. More specifically, among this household type, we model transportation costs as a percent of income for renters. Neighborhoods are defined as census tracts. The LAI data do not contain transportation cost information for Puerto Rico.

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