Originally Posted by
dsquared37
The would be 60 + 45 + 20 I believe.

^
What is it?
Originally Posted by
dsquared37
But what's the point of giving/copying all this information as OP has a legit means of getting on the free DMK/BKK bus which takes the highway and therefor will be quicker than one that doesn't or an option that will still potentially hit traffic and be cash out of pocket?
And during their expected arrival time the bus runs every 12 min. ^
You are right that OP wanted to reassurance of free DMK/BKK bus and there is a bus on every 12 mins on expected arrival time.
But somehow OP or another one who visits this topic would like to explore this place, they can choose another option. That's it.