Well-Traveled Road Effect
Frequently traveled routes seem shorter in time than novel routes of equal length.
The well-traveled road effect is a cognitive bias in which travellers estimate the time taken to traverse routes differently based on their familiarity with those routes. Frequently traveled paths are estimated to take less time than paths of equal duration that are less often traveled. Familiar routes require less cognitive effort and feel faster, creating a systematic distortion in time perception.
What it looks like in the wild.
- Everyday life Commute Estimate A daily commuter consistently underestimates how long their regular route takes, while always overestimating the time for a new route — even after the new route proves faster.
Recognising a definition is not the same skill as spotting it.
Two scenarios from the app, with distractors drawn from the same family of biases — which is what makes them hard.
Tom commutes via the same subway line. A new express bus route is introduced that's theoretically 5 minutes quicker. Tom says the subway ride 'always feels short' and the bus would 'take ages' even though the bus schedule shows it's faster.
For her commute to yoga class, Priya always takes the same side streets. A new bike lane opens that's 10% faster. Priya says her familiar drive 'zips by' and the bike lane route would 'feel like it goes on forever'.
Biases rarely arrive alone.
Understand more. Assume less.
188 biases, 18,869 scenarios, and a record of how you actually decide.
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