The walk-up testing will be available July 8 to July 17 at churches in DeSoto, Oak Cliff, Fair Park, Love Field, and Hamilton Park.
The organization says parking is available at the sites and community members are encouraged to wear face masks.
The typical time from check-in to check-out is about 20 minutes, officials say.
Project Unity says additional measures will be taken to keep those waiting in line, especially the elderly, cool, and hydrated as summer approaches.