50.00% - Road damage scales with the fourth power of axle weight — doubling a vehicle's weight multiplies road damage by sixteen, which is why heavy trucks are so destructive.
27.50% - More housing supply puts downward pressure on prices — Seattle rents keep climbing because demand grows faster than supply.
22.50% - Developers build luxury first because margins are better in constrained markets — loosen zoning so they have to compete, and the whole market eventually moves downmarket.
Roads degrade from environmental factors regardless of traffic, but heavy vehicles dramatically accelerate that degradation.
100.00% - More housing supply puts downward pressure on prices — Seattle rents keep climbing because demand grows faster than supply.
50.00% - Roads degrade from environmental factors regardless of traffic, but heavy vehicles dramatically accelerate that degradation.
50.00% - Heavy trucks, not bicycles, are the primary driver of road wear above environmental baseline.
0.00% - Road life has a fixed component due to environmental factors
50.00% - Tipping points in the climate system