Treat service 82 as a feeder service linking the camps at
Punggol Road End.
51 is there due to historical reasons. In fact, one should not
treat the route to be direct between end points. For example, you
could take 51 from Eunos to Hougang, Queensway to Pasir Panjang,
Chinatown to Queensway, etc. If I wanted to get from Hougang to
Jurong East by bus, I would take 151 and transfer to 66 and not
take 51.
Same goes with 93. And Eunosians have 30 to get to WTC.