MassGIS Data: TDI Districts

September 2026

TDI Districts delineate zones of community development and public investment focus within Gateway Cities throughout Massachusetts.

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Overview

The Transformative Development Initiative (TDI) is a program designed to accelerate economic development in focused districts. These “TDI districts” are walkable, dense environments that have the potential to attract investment, inspire a wave of growth, and transform Gateway Cities and beyond.

Data provided by Massachusetts Development Finance Agency (DBA: MassDevelopment) departments of Engineering and Community Development, Commonwealth of Massachusetts. Retrieved July 2026.

This layer is named TDI_DISTRICTS_POLY.

Production

MassGIS received four shapefiles (one for Active districts and three for graduated districts) from MassDevelopment and merged them into a single feature class and added the STATUS field.

Attributes

The point attribute table contains the following fields:

FieldDescription
TOWNNAMECity in which the district is located
TDI_COHORTThe competitive round of applications for districts. The cohort number (1-4) specifies which round of district applications this district is from. The first round of applications (Cohort 1) occurred in 2015.
SUB_COHORTThe TDI Fellow’s cohort selected within each round of accepted districts. The sub-cohort number indicates when new TDI Fellow(s) have been assigned to a district. For instance, cohort 1 had staggered Fellow involvement which led to three groups of Fellows joining this cohort at separate dates.
DISTRICTName of the district
STATUSDistrict status:
Active - The district is actively receiving TDI program resources
Graduated - The district is no longer receiving TDI Fellow support or full resources

Maintenance

MassGIS will update this datalayer as needed with data from MassDevelopment.

Date published: September 3, 2026

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