The Fundamental Law of Road Congestion¶
Duranton, G., & Turner, M. A. (2011). The Fundamental Law of Road Congestion: Evidence from US Cities. American Economic Review, 101(6), 2616-2652.
Cited by¶
3 citations across 3 artifacts.
Each citation links to the sentence it supports in the citing article.
Primes¶
- Jevons Paradox
- The efficiency improvement is widening a highway from two lanes to three on a congested corridor — a genuine per-trip gain in throughput.
This sourceEmpirically shows that vehicle-kilometers travelled rise roughly one-for-one with lane-kilometers, so road expansion induces proportional demand.
- The efficiency improvement is widening a highway from two lanes to three on a congested corridor — a genuine per-trip gain in throughput.
- Parkinson's Law
- In highway capacity, added lanes draw commensurate new traffic as travel-time slack invites additional trips.
This sourceEmpirically establishes that vehicle-kilometers traveled increase roughly one-for-one with lane-kilometers of roadway — induced demand quantified.
- In highway capacity, added lanes draw commensurate new traffic as travel-time slack invites additional trips.
Mechanisms¶
- Traffic Lane
- And a common misuse is treating a new lane as pure capacity: adding or widening a lane often just draws more of that class
This sourceFinds traffic growth after capacity expansion and persistence of congestion rather than relief.
- And a common misuse is treating a new lane as pure capacity: adding or widening a lane often just draws more of that class
Verification¶
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