More than a decade ago, there was the old service SBS 59
(Bishan-Jalan Kayu) which took a direct route from Marymount to
Bishan (via Jalan Peminpin). No Junction 8 then. No RI/RJC. No
Bishan 8 condos. And the present SBST 410 route was served by the
old SBS 57. 