Which entity is responsible for arts funding in NYC transportation systems?

The correct choice highlights that the MTA's Arts For Transit is specifically designated for the integration and support of public art in New York City's transportation systems. This program is an initiative of the Metropolitan Transportation Authority (MTA) and focuses on enhancing the transit experience through visual art, performances, and cultural activities within subways and other transit environments.

By funding various art projects and installations, Arts For Transit transforms stations into vibrant cultural spaces that reflect the diverse community of New York City. This program is unique in its commitment to maintaining and promoting the arts within the transit system, making it the primary entity responsible for such initiatives.

The other entities mentioned, while they may be involved in arts funding broadly across the city, do not specifically focus on the transit system. The NYC Department of Cultural Affairs supports a wide range of arts and culture initiatives citywide but does not concentrate solely on transportation. Private sponsors may contribute to specific projects or events but are not the primary funding body for ongoing arts programs within the MTA. Community initiatives might support local arts efforts but typically don't have the dedicated resources or focus required for comprehensive arts funding in transportation.