Service 343 (1989 - 2000)
| Operator
|
Year
|
Date
|
Service changes
|
|
1989
|
28 May
|
Introduced between Bt Panjang Ter and Petir Rd (Loop).
|
| Template:Trans Island Bus Services
|
1995
|
6 August
|
Operations transferred to TIBS.
|
| 1999
|
26 December
|
Amended to Bt Panjang Int.
|
| 2000
|
26 March
|
Re-numbered Service 921.
|
Service 344 (1988 - 1999)
| Operator
|
Year
|
Date
|
Service changes
|
|
1988
|
31 July
|
Introduced between Bt Panjang Ter and Bt Panjang Ring Rd (Loop).
|
| 1989
|
20 March
|
First bus brought forward to 0515 hrs daily.
|
| Template:Trans Island Bus Services
|
1995
|
6 August
|
Operations transferred to TIBS.
|
| 1999
|
26 December
|
Discontinued under Bt Panjang LRT Rationalisation.
|
Service 345 (1998 - 1999)
| Operator
|
Year
|
Date
|
Service changes
|
| Template:Trans Island Bus Services
|
1997
|
3 January
|
Introduced between Bt Panjang Ter and Saujana Rd (Loop).
|
| 1998
|
TBC
|
First bus brought forward to 0530 hrs daily.
|
| 1999
|
26 December
|
Discontinued under Bt Panjang LRT Rationalisation.
|
Service 920 
| Operator
|
Year
|
Date
|
Service changes
|
| Template:Trans Island Bus Services
|
2000
|
26 March
|
Introduced between Bt Panjang Int and Bangkit Rd (Loop).
|
| 2003
|
TBC
|
Serves additional pair of bus stops outside and opposite Bt Panjang Plaza along Jelebu Rd.
|
Template:SMRT Buses (Current)
|
2005
|
29 May
|
Amended to ply Senja Rd and Senja Lk.
|
| 2006
|
TBC
|
Serves new pair of bus stops along Senja Lk.
|
| 2011
|
3 December
|
Designated wheelchair-accessible bus service (WAB).
|
| 2012
|
16 December
|
Amended to start from and terminate at Bt Panjang Rd with the opening of Bt Panjang Temp Bus Pk and the closure of Bt Panjang Int.
|
| 2013
|
17 November
|
Serves new staggered bus stop opposite Blk 183 along Bt Panjang Rd, skipping the bus stop outside Blk 604.
|
| 2015
|
16 August
|
Serves 2 new bus stops between Blks 443A and 443B and outside Blk 442D along Fajar Rd.
|
| 6 September
|
Serves new pair of bus stops outside and opposite Blk 635C along Senja Rd.
|
| 27 December
|
Amended to start from Petir Rd, ply Jelebu Rd and extended to terminate at Upp Bt Timah Rd.
|
| 2016
|
12 March
|
Last bus extended to 0100 hrs daily.
|
| 2017
|
4 September
|
Amended to Bt Panjang Integrated Transport Hub.
|
| 2019
|
13 January
|
Last bus extended to 0110 hrs daily.
|
| 2022
|
3 April
|
Amended to ply Senja Cl, skipping a portion of Senja Rd.
|
| Amended to ply Senja Rd and Bt Panjang Ring Rd towards Bangkit Rd with the conversion of Senja Lk to one-way traffic.
|
Service 921 (2000 - 2006)
Service 922 
| Operator
|
Year
|
Date
|
Service changes
|
Template:SMRT Buses (Current)
|
2006
|
23 April
|
Introduced between Bt Panjang Int and Segar Rd (Loop).
|
| 2010
|
28 February
|
Extended to loop at Bangkit Rd, skipping Saujana Rd.
|
| 2011
|
3 December
|
Designated wheelchair-accessible bus service (WAB).
|
| 2012
|
16 December
|
Amended to start from and terminate at Bt Panjang Rd with the opening of Bt Panjang Temp Bus Pk and the closure of Bt Panjang Int.
|
| 2013
|
17 November
|
Serves new staggered bus stop opposite Blk 183 along Bt Panjang Rd, skipping the bus stop outside Blk 604.
|
| 2015
|
16 August
|
Serves 2 new bus stops between Blks 443A and 443B and outside Blk 442D along Fajar Rd.
|
| 6 September
|
Serves new pair of bus stops outside Blk 548B and outside Blk 547C along Segar Rd.
|
| 27 December
|
Amended to start from Petir Rd, ply Jelebu Rd and extended to terminate at Upp Bt Timah Rd.
|
| 2016
|
12 March
|
Last bus extended to 0100 hrs daily.
|
| 2017
|
4 September
|
Amended to Bt Panjang Integrated Transport Hub.
|
| 2019
|
13 January
|
Last bus extended to 0110 hrs daily.
|