Quantum Bullshit Interval

The "Quantum Bullshit Interval" or "QBI" is the longest possible distance between two cars where you are still unable to turn/merge safely between them. The QBI only seems to manifest when you actually need to be somewhere on time, or when getting somewhere sooner would be a great convenience.

Were it not for the train of cars all locked at the Quantum Bullshit Interval, I would have made it to work on time.

Now that I can spot and point out the Quantum Bullshit Interval, my road rage has increased exponentially!