I have the following suggestion to the 4 services. Please
comment on them. 
A better and higher demand route for service 62:
Punggol interchange, Punggol Place [Express], Punggol Field,
Punggol East [Express], Sengkang East Drive, Sengkang East Way
[Express], Rivervale Drive, Sengkang East Ave, Punggol Rd, Hougang
Ave 10, Hougang Central, Upp Serangoon Rd, Hougang St 21, Hougang
Ave 1 and continue with current route to Lor 1 Geylang.
Service 107 to cover service 82 route:
Service 107 to extend to Punggol via Hougang Ave 10, Punggol Rd,
Punggol Field, Punggol Place [Express] and Punggol interchange.
Service 82 to be withdrawn.
Service 119 to extend to Serangoon and Punggol:
Service 119 to amend to operate from Serangoon interchange to
Punggol Rd end (loop), via Serangoon interchange, Serangoon
Central, Upp Serangoon Rd, Upp Paya Lebar Rd, Lor Ah Soo, Hougang
Ave 1, Hougang St 21, Upp Serangoon Rd, Hougang Ave 8, Hougang Ave
10, Punggol Rd, Sengkang East Ave, Rivervale Drive, Sengkang East
Way, Sengkang East Rd, Punggol Way [Express], Punggol Central,
Punggol Rd and Punggol Rd end (loop).