350: Loop at Pasir Ris Dr 4 / Dr 3 via Dr
3, Close, Dr 6, Dr 1, Dr 4, Dr 3, Close and Dr 3. Amended
later to ply St 41 instead of Dr 3.
351: Loop at Pasir Ris St 11 / St 12 via Dr 3, Central, Dr 1, St
11, St 12, Dr 1, Central and Dr 3. Amended later to skip St 12 and
ply the full St 11.
352: Loop at Pasir Ris Dr 2 / St 21 / Loyang Ave via Dr 3, Dr 4,
St 21, Dr 2, Dr 1, Loyang Ave, Dr 3, Dr 2, St 21, Dr 4 and Dr
3.
353: Loop at Pasir Ris Dr 10 via Dr 3, Central, Dr 1, Elias Rd,
Dr 3, Dr 10, Dr 1, Central and Dr 3. Amended later to ply Dr 3
instead of Dr 1.
355: Loop at Pasir Ris Dr 10 / St 71 via Dr 3, Dr 12, Dr 1, Dr
10, St 71, Dr 1, Dr 12 and Dr 3.
356: Loop at Pasir Ris Dr 10 / St 71 via Dr 3, Central, Dr 1,
Elias Rd, St 71, Dr 10, Dr 1, St 71, Elias Rd, Dr 1, Central and Dr
3.
From 1997, Townlink Pasir Ris services were introduced:
352 merged with 356 to form Townlink 357, lated merged with
service 294 to form service 3.
350 merged with 353 to form Townlink 358. 354 was
introduced.
351 merged with 355 to form Townlink 359, later amended to ply
St 51.
I think there is a 353 introduced in 1986 from Sin Ming to
Bishan St 31 before it was re-numbered to 57 in 1988 and withdrawn
in 1992.