SBS Transit Bus Service 51 is a trunk service plying between Hougang Central and Jurong East, passing through Hougang Ave 3, Eunos, Bugis, Clarke Quay, Alexandra, Commonwealth, Pasir Panjang, West Coast and Pandan Gardens. At 37.7km, it is among the longest bidirectional routes in Singapore.
Direction 1: Hougang Ctrl Int → Jurong East Temp Int ⇋
Direction 2: Jurong East Temp Int → Hougang Ctrl Int ⇋
Service 51 is a major trunk route connecting West and Northeast of Singapore, and an important trunk route in many of its catchment areas. From Hougang Central, the route passes through Hougang Avenue 3, Eunos, Geylang, Bugis and Clarke Quay, continuing west to Havelock, Alexandra, Queenstown, Pasir Panjang, West Coast and Pandan Gardens, terminating at Jurong East Interchange.
For residents of Pandan Gardens, Service 51 offers the quickest route to Jurong East Interchange, and duplicates Service 30 and 143 to Pasir Panjang. Service 51 also offers key connections from Alexandra and Havelock to the Central areas. In the East, demand is strong between Hougang and Ubi/Kaki Bukit industrial estates, a sector shared with Service 87.
Due to its long route length and congestion prone areas, journey times are often increased during peak hours. A full journey can reach 210mins (3hrs and 30mins) from Jurong East to Hougang during PM Peak, as compared to around 150mins off-peak.
West Coast Road (Blk 601) → Hougang Central Int
Short Trip Service
Service 51A: Jurong East Int → Pandan Gdns (Blk 407) Weekdays: 0003hrs, 0020hrs (Last 2 buses) Weekend/PHs: 0002hrs, 0020hrs (Last 2 buses)
The last bus of Service 51A will be extended on eves of Public Holidays to compliment the extension of train operating hours, except for eves of Christmas, New Year & Lunar New Year (timings announced closer to occasion).
Fare: Charges basic distance fares. See Bus Fares. Calculate your bus fare using LTA’s fare calculator on MyTransport.sg here.
1971 – 1973: Associated Bus Services Pte Ltd
1973 – 2001: Singapore Bus Services Ltd
2001 – Present: SBS Transit Ltd
The Bus Service Operating License (BSOL) for this route will be renewed in 2021 under the Sengkang – Hougang Bus Package.
1971: Introduced between Jalan Eunos (End) and Alexandra Rd. operated by Associated Bus Services
1973: Operated by Singapore Bus Services (SBS)
1987: Integrated with Service 54 and extended to Hougang (South) Int.
1988: Integrated with Service 192 (Jurong – South Canal) and extended to Jurong East.
2002: Amended to ply Pandan Gardens.
2004 (15 Feb): Exended to Hougang Central Interchange via Hougang Ave 3 and Upp Serangoon Rd with closure of Hougang South Int.
2007 (22 May): Designated wheelchair-accessible bus route (WAB)
2011 (17 Dec): Amended to Jurong East Temp Int, calls at bus stop Blk 131 along Jurong Gateway Rd
2014 (23 Jun): Bus Service Reliability Framework (BSRF) implemented for a two-year trial