Tower Transit Bus Service 106 is a trunk route running between Bukit Batok Bus Interchange and Shenton Way, passing through Toh Tuck, Clementi, Buona Vista, Holland Village, Tanglin, Orchard Road, Bras Basah, Suntec City and Bayfront.
Service 106 serves the residential estates of Bukit Batok, Clementi and Buona Vista, providing a direct bus connection to the Orchard Road and Downtown Core areas. It is a vital connection not just between residential estates, but also many It also offers many links within different parts of the city, such as Orchard Road, Bras Basah, Marina Centre, Marina Bay Sands, Downtown and Shenton Way.
Service 106 offers the fastest bus connection between Bukit Batok and Clementi, and apart from express services, is the only bus route connecting the Orchard shopping belt with Marina Bay Sands and surrounding attractions at Bayfront.
29 May 2016 – Present: Tower Transit Singapore Pte Ltd
The Bus Service Operating License (BSOL) for this route will be renewed in 2026 under the Bulim Bus Package.
1974 (03 Feb): Re-numbered from Service 103A as a service between Serangoon Garden Ter and Commonwealth Ave Ter
1974 (01 Oct): Serves new merged bus stop outside Sri Srinivasa Perumal Tp along Serangoon Rd
1977 (31 Oct): Amended to skip Chartwell Dr, Burghley Dr and Berwick Dr with the introduction of Service 217
1977 (07 Nov): Amended to ply Orchard Rd, Penang Rd, Somerset Rd, Grange Rd, Orchard Blvd, Tanglin Rd, Napier Rd, Holland Rd, Holland Ave, Holland Dr, North Buona Vista Rd and Commonwealth Ave, skipping Bras Basah Rd, North Bridge Rd, South Bridge Rd, Upp Circular Rd, New Bridge Rd, River Valley Rd, Delta Rd, Alexandra Rd, Tanglin Rd, Margaret Dr, Queensway, round Queens Circus, Queensway, Commonwealth Dr, Commonwealth Ave, Queens Circus and Commonwealth Ave
1982: Amended to Buona Vista Ter
1985 (28 Oct): Extended to Bt Batok Ter
1986 (31 Aug): Serves additional bus stop outside Blk 9 along Holland Ave
1987 (27 Sep): Amended to Bt Batok Int
1988 (13 Mar): Amended to Serangoon Int
1992: Amended to ply Orchard Link, skipping Grange Rd
1999: Skips temporarily abolished bus stops outside and opposite Sch of Mechanical & Mfg along Commonwealth Ave West
2000 (24 Dec): Operations transferred to Trans-Island Bus Services (TIBS)
2001 (18 Oct): Serves reinstated bus stops outside Dover Stn along Commonwealth Ave West
2002 (07 Jul): Skips the bus stop opposite Mandarin Singapore along Orchard Rd
2002: Serves new pair of bus stops after Sommerville Rd and after Sunshine Lodge along Upp Serangoon Rd
2003 (20 Jun): Serves new pair of bus stops outside Potong Pasir Stn along Upp Serangoon Rd
2003 (27 Jul): Shortened to Marina Ctr Ter under North East MRT Line Rationalisation Phase 2
2005 (02 Jul): Amended to ply Grange Rd with the partial closure of Somerset Rd
2010 (26 Apr): Extended to Shenton Way Ter
2013 (01 Dec): Serves new bus stop outside Downtown Stn along Central Blvd
2014 (28 Sep): Amended to ply Robinson Rd and Marina Blvd towards Bt Batok Int, skipping Maxwell Rd and Central Blvd with the road changes in the Marina South area
2015 (14 Jun): Designated wheelchair-accessible bus route (WAB)
2016 (29 May): Operations transferred to Tower Transit Singapore Pte Ltd from SMRT Buses Ltd
2017 (25 Jun): Amended to relocated Shenton Way Bus Terminal