Originally posted by CAIX:
[b]Opening of Bishan MRT Station and Integrated bus
services
Service 59 was cut short to Ang Mo Kio in early 90's. Eventually
TIBS took over all the services in Jalan Kayu and service 59 was
extended to Sengkang in 1997 and renumbered it as service 866. In
July 1999, SBS took over service 866 and it became today's service
86 in 2000, solely operated by Hougang Depot.
Service 156 was then introduced to bridge the gap from Seranggon
Interchange to Bishan MRT. In 2000, service 156 was extended to
Sengkang.
[/b]
Service 59 was shortened from Bishan to Ang Mo Kio in June 1992.
Extended to Sengkang on 21 Feb 1999 and renumbered service 866.
Renumbered again in Dec 1999 to service 86.
Service 156 was extended to Sengkang on 29 July 2001.