My (revised) speculations on JIS amendments: (Just my 2 cents
worth; not considering the 150 suggestion above)
99 will start from Joo Koon Int, ply Joo Koon
Circle, Benoi Rd, Upp Jurong Rd, Jurong West St 93,
Jurong West St 91 and continues its original route
to Clementi Int.
182/M will start from Joo Koon Int, ply Joo Koon
Circle, Benoi Rd, Upp Jurong Rd and continues its original
route to Tuas South Ave 9.
254 will start from Joo Koon Int, ply Joo Koon Circle,
Benoi Rd, Pioneer Rd and continues its original route to Tuas
Ave 11.
255 will start from Joo Koon Int, ply Joo Koon Circle,
Benoi Rd, Gul Circle and continues its original route to Gul
Cres.
257 will start from Joo Koon Int, ply Joo Koon Circle,
Benoi Rd and continues its original route to Pioneer Sector 2.
New service 253 will be introduced from Joo Koon
Int looping at Jln Samulun, via Joo Koon Circle, Benoi
Rd, Pioneer Rd, Tg Kling Rd, Shipyard Rd and Jln Samulun, covering
the removed sector of 254.
249 will be amended to loop at Tg Kling Rd, skipping Shipyard Rd
and Jln Samulun (covered by 253).
(Alternatively, 251 can be amended to Pioneer Rd with 253
plying Shipyard Rd and Tg Kling Rd to Jurong Shipyard, and 249
skipping Jurong Shipyard.)
New service 256 will be introduced from Joo Koon Int looping at
Benoi Cres, via Joo Koon Circle, Benoi Rd, Benoi Sector and Benoi
Cres, covering the removed sector of 255.
New service 258 will be introduced from Joo Koon Int to Kian
Teck Cres, via Joo Koon Circle, Benoi Rd, Jln Ahmad Ibrahim,
Pioneer Rd North, Kian Teck Way, Kian Teck Ave, Kian Teck Dr, Kian
Teck Cres, Kian Teck Ave, Kian Teck Way and back to Joo Koon Int,
covering the removed sector of 257.
(Alternatively, 258 can be from Joo Koon Int to Taman Jurong
Ter, via Joo Koon Circle, Benoi Rd, Jln Ahmad Ibrahim, Pioneer Rd
North, International Rd, Yung Kuang Rd, Corporation Dr, Yung Ho Rd,
Yuan Ching Rd and Hu Ching Rd.)
P.S. Sorry for the massive spamming of 3 replies.
Some possible improvements: