QUOTE(hihihehe @ Dec 6 2018, 12:19 AM)
one have to remember most right lane is mostly for overtaking lane.
hence the signboard "ikut kiri kecuali memotong"
This is only in theory. In practice you find a lot of drivers driving slowly on the middle lane so either you follow behind them or use the right lane.hence the signboard "ikut kiri kecuali memotong"