
Or, there could be mold.
There could be TRAFFIC noise.
The Big Bang Theory Season 10, Episode 7

And pull out slowly into TRAFFIC.
The Big Bang Theory Season 2, Episode 5

until she's ready to drive
into oncoming TRAFFIC?
The Big Bang Theory Season 12, Episode 14

They got you on a TRAFFIC camera.
Nice picture.
The Big Bang Theory Season 3, Episode 16

And yet you wound up in TRAFFIC court.
The Big Bang Theory Season 3, Episode 16