How about this route?
Svc 85: Punggol to Boon Lay
Direction 1 via: Punggol Interchange, (Punggol Place), Punggol
Central, (Sengkang Flyover), Sengkang East Road, Sengkang East Way,
Compassvale Road, Sengkang East Ave, Punggol Road, Hougang Ave 10,
Hougang Ave 4, Hougang Ave 9, Yio Chu Kang Road, Ang Mo Kio Ave 3,
Ang Mo Kio Ave 8, Bishan Road, Bishan St 21, (Marymount Lane), Upp
Thomson Road, Lornie Road, Adam Road, (PIE), Eng Neo Avenue, Bukit
Timah Road, Upper Bukit Timah Road, Clementi Road, Clementi Ave 2,
Commonwealth Ave West, Boon Lay Way, (Jurong West Central 3), Boon
Lay Interchange
Direction2 via: Boon Lay Interchange, (Jurong West Central 3), Boon
Lay Way, Commonwealth Ave West, Clementi Ave 2, Clementi Road,
Dunearn Road, Eng Neo Ave, (PIE), Adam Road, Lornie Road, Upper
Thomson Road, (Marymount Lane), Bishan St 21, Bishan Road, Ang Mo
Kio Ave 8, Ang Mo Kio Ave 3, Yio Chu Kang Road, Hougang Ave 9,
Hougang Ave 4, Hougang Ave 10, Punggol Road, Sengkang East Ave,
Compassvale Road, Sengkang East Way, Sengkang East Road, (Sengkang
Flyover), Punggol Central, (Punggol Place), Punggol
Interchange
The advantages of this route are:
1. It provides a faster route for punggol residents to get to
sengkang.
2. It provides a faster link for Punggol, Sengkang and Hougang
residents to get to Ang Mo Kio and to the western part of
Singapore.
3. It provides a quick link from Clementi and Jurong East to Boon
Lay using Boon Lay Way (few passengers compared to Jurong East/West
Ave 1).