sv39 (Larkin - JB - Masai) frwquency quite good, like 10-15mins,
only its NAC and mostly near emp.ty....
for 207 (Larkin - Senai) its about 25-30mins
for 180 (JB - Holiday Plaza) its about 45-60mins, but lunch time
driver go makan, then may btake longer..
really, no fixed frequency, can be 10mins, can be 1 hour. thats why
so many parallel services