Line 9 (Emerald) (Portuguese: Linha 9–Esmeralda), formerly Line C (Sky Blue) (Linha C–Celeste) and Line C (Emerald) (Linha C-Esmeralda), is one of the three lines operated by ViaMobilidade and one of the thirteen lines that make up the São Paulo Metro Rail Transport Network, in Brazil.

[1] Since 27 January 2022, ViaMobilidade operates the line for 30 years, along with Line 8-Diamond.

[2][3] This article about transport in Brazil is a stub.

You can help Wikipedia by expanding it.