Wikipedia defines common sense as “knowledge, judgement, and taste which is more or less universal and which is held more or less without reflection or argument”
Try to avoid using this topic to express niche or unpopular opinions (they’re a dime a dozen) but instead consider provable intuitive facts.
‘Building more lanes will reduce traffic’ is a classic.
They enlarged rt 3 near rt 95 in MA many years ago. It was getting backed up due to all of the people moving further out from Boston. I said “It will be full again in a few years.” Yup. It was moving well for a few years so everyone piled into that area because the commute was better and within a few years it was a traffic jam again.
I think it’s just missing a bit of specificity.
Building more bike lanes will reduce traffic. Building more bus lanes will reduce traffic. Building more tram lines will reduce traffic. Building more car lanes will
reduceinduce traffic.Not perfect, but solid logic within reason (Building 100 more bus lanes will reduce traffic).