In urban planning there's the 'law of induced demand' that has parallels to this and shows the paradoxical nature. When a road starts to see congestion, the rea

In urban planning there's the 'law of induced demand' that has parallels to this and shows the paradoxical nature. When a road starts to see congestion, the reaction in the past has been to add lanes, widen the road, and/or increase the speed limit to get more cars through faster. This has its intended effect in the short term, but makes the road more attractive to drivers. More drivers start using the particular road, exceeding the planned capacity and in the average case causing worst congestion than existed before.