As the gas tax brings in less and less revenue, states are watching Oregon and California as they experiment with different ways to charge by mile.
After a population explosion and building binge led to haphazard and random growth, Miami became the nation's first big urban area to adopt a citywide code based on looks.
To tackle the problem of vacant properties, Memphis is acknowledging that it needs help.
The city is spending hundreds of millions of dollars to help keep certain neighborhoods affordable. But it might be making things worse.