Cardi B has gone from hawking her new album on the subway to being the voice of it.

On Tuesday, the Metropolitan Transportation Authority confirmed the Grammy-winning hip-hop star will be heard on the iron horse’s speaker systems with a fresh round of hilarious public safety announcements.

Throughout stations across the five boroughs, Cardi will school riders on proper train etiquette, letting them know that “steps are for stepping, not sitting. Move it, Bucko!”

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“Stop subway surfing. Ride safe, keep it cute and keep it moving,” she also tells commuters in a video released on the MTA’s social media channels .

The 32-year-old “Bodak Yellow” rapper has recently gone viral after posting social media clips showing her “sel

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