<Tr> <Th> Number of stations </Th> <Td> 149 (119 in operation, 26 more under construction or planning, 4 reserved) </Td> </Tr> <Tr> <Th> Daily ridership </Th> <Td> 3.1 million (2016), excluding the LRT </Td> </Tr> <Tr> <Th_colspan="2"> Operation </Th> </Tr> <Tr> <Th> Began operation </Th> <Td> 7 November 1987; 30 years ago (1987 - 11 - 07) </Td> </Tr>

What is the length of a mrt train