Singapore Buses route 518

Express 518 is an Express service running from Pasir Ris Interchange and looping at Bayfront Avenue, passing through Tampines, Moulmein, Orchard, and Marina Bay. It incorporates a express sector from Bedok North Road to Moulmein Road via PIE and CTE, and another express sector via ECP from Bayfront back to Bedok.

Depending on demand, 518 will also receive high capacity double decker buses. At the same time, the demand is constantly moderate between Tampines, via Marina Centre and Tampines to Pasir Ris Blk 159 but it charges expensive fares ($0.66 to $0.88) than taking the MRT. Load is constantly stable as more people took bus 518 from Concorde Hotel Singapore, Plaza Singapura, Suntec City and Marina Bay Sands; during evenings. Higher loadings are also expected from Suntec Convention Centre during the IT Show and COMEX 2015.

Peak Hour Variants
518A also plies an alternative service that goes from Loyang Avenue, via TPE, PIE and CTE. By skipping Tampines, travel time and overcrowding is reduced. Two trips are operated on weekday mornings.

Fleet
The fleet consisted of Mercedes-Benz O530 Citaro and Scania K230UB single deckers. Volvo B9TL (Wrights) began deploying on September 2014. Scania L94UBs and Volvo B10M Mark IV (DM3500s) were formerly deployed.

History

 * 5 May 1997: Introduced as Express 503, unidirectional peak-hour service: Tampines Int – Temasek Ave (AM peak); Anson Rd – Tampines Int (PM peak)
 * 20 Sep 1999: Renumbered Express 505, converted into loop service between Pasir Ris Int and Jln Bukit Merah/Telok Blangah Rd.
 * 14 Sep 2000: Renumbered Express 518, operating as Pasir Ris Int ↺ Marina Ctr via Orchard Rd
 * 26 Apr 2010: Extended to serve Bayfront, skipping a few sections. Service 518A amended to AM Peak unidirectional service terminating at Bayfront Ave, Service 518B withdrawn on the same day. Service 518 to operate during peak hours to cover Service 518B.