Another article from Strong Towns made the point that infrastructure like roads tends to only last about 30 years before needing complete replacement. In many

Another article from Strong Towns made the point that infrastructure like roads tends to only last about 30 years before needing complete replacement. In many towns this infrastructure is paid for by assessing fees on new development. Once the city stops expanding, you now have no tax base to pay for all the existing roads needing replacement. All those replacement bills come due: the "aging infrastructure" needs more maintenance.